diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmEvent.kt b/src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmEvent.kt
index 537d3227..b3d49acf 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmEvent.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmEvent.kt
@@ -7,6 +7,7 @@ import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.live.room.GenderRestriction
 import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.scheduling.annotation.Async
 import org.springframework.stereotype.Component
 import org.springframework.transaction.annotation.Propagation
@@ -56,7 +57,9 @@ class FcmEvent(
     val commentParentId: Long? = null,
     val myMemberId: Long? = null,
     val isAvailableJoinCreator: Boolean? = null,
-    val genderRestriction: GenderRestriction? = null
+    val genderRestriction: GenderRestriction? = null,
+    val titleMemberId: Long? = null,
+    val nameArgumentMemberIds: Map<Int, Long> = emptyMap()
 )
 
 @Component
@@ -65,7 +68,8 @@ class FcmSendListener(
     private val memberRepository: MemberRepository,
     private val contentCommentRepository: AudioContentCommentRepository,
     private val messageSource: SodaMessageSource,
-    private val pushNotificationService: PushNotificationService
+    private val pushNotificationService: PushNotificationService,
+    private val localizedNameService: CreatorLocalizedNameService
 ) {
     @Async
     @TransactionalEventListener
@@ -169,18 +173,26 @@ class FcmSendListener(
         creatorId: Long? = null,
         auditionId: Long? = null
     ) {
-        val tokensByLang = pushTokens.groupBy { it.languageCode }
+        val tokensByLang = pushTokens.groupBy { Lang.fromAcceptLanguage(it.languageCode) }
+        val nameMemberIds = listOfNotNull(fcmEvent.senderMemberId, fcmEvent.titleMemberId)
+            .plus(fcmEvent.nameArgumentMemberIds.values)
+            .distinct()
 
-        for ((langCode, tokens) in tokensByLang) {
-            val lang = Lang.fromAcceptLanguage(langCode)
-            val title = translate(fcmEvent.titleKey, fcmEvent.title, lang, fcmEvent.args)
-            val message = translate(fcmEvent.messageKey, fcmEvent.message, lang, fcmEvent.args)
+        for ((lang, tokens) in tokensByLang) {
+            val names = localizedNameService.findLocalizedNames(nameMemberIds, lang)
+            val args = fcmEvent.args.mapIndexed { index, argument ->
+                fcmEvent.nameArgumentMemberIds[index]?.let { names[it] } ?: argument
+            }
+            val defaultTitle = fcmEvent.titleMemberId?.let { names[it] } ?: fcmEvent.title
+            val title = translate(fcmEvent.titleKey, defaultTitle, lang, args)
+            val message = translate(fcmEvent.messageKey, fcmEvent.message, lang, args)
 
             pushNotificationService.saveNotification(
                 fcmEvent = fcmEvent,
                 languageCode = lang.code,
                 translatedMessage = message,
-                recipientPushTokens = tokens
+                recipientPushTokens = tokens,
+                localizedSenderNickname = fcmEvent.senderMemberId?.let { names[it] }
             )
 
             val tokensByOS = tokens.groupBy { it.deviceType }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationService.kt
index ec34350c..0f348000 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationService.kt
@@ -36,7 +36,8 @@ class PushNotificationService(
         fcmEvent: FcmEvent,
         languageCode: String,
         translatedMessage: String,
-        recipientPushTokens: List<PushTokenInfo>
+        recipientPushTokens: List<PushTokenInfo>,
+        localizedSenderNickname: String?
     ) {
         if (recipientPushTokens.isEmpty()) return
 
@@ -58,7 +59,7 @@ class PushNotificationService(
         )
 
         val notification = PushNotificationList(
-            senderNicknameSnapshot = senderSnapshot.nickname,
+            senderNicknameSnapshot = localizedSenderNickname ?: senderSnapshot.nickname,
             senderProfileImageSnapshot = senderSnapshot.profileImage,
             message = translatedMessage,
             category = category,
diff --git a/src/test/kotlin/kr/co/vividnext/sodalive/fcm/FcmSendListenerLocalizedNameTest.kt b/src/test/kotlin/kr/co/vividnext/sodalive/fcm/FcmSendListenerLocalizedNameTest.kt
new file mode 100644
index 00000000..26c3a603
--- /dev/null
+++ b/src/test/kotlin/kr/co/vividnext/sodalive/fcm/FcmSendListenerLocalizedNameTest.kt
@@ -0,0 +1,287 @@
+package kr.co.vividnext.sodalive.fcm
+
+import kr.co.vividnext.sodalive.aws.s3.S3Uploader
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.comment.AudioContentComment
+import kr.co.vividnext.sodalive.content.comment.AudioContentCommentService
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.fcm.notification.PushNotificationCategory
+import kr.co.vividnext.sodalive.fcm.notification.PushNotificationList
+import kr.co.vividnext.sodalive.fcm.notification.PushNotificationListRepository
+import kr.co.vividnext.sodalive.fcm.notification.PushNotificationRecipientChunk
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.live.reservation.LiveReservation
+import kr.co.vividnext.sodalive.live.reservation.LiveReservationRepository
+import kr.co.vividnext.sodalive.live.room.LiveRoom
+import kr.co.vividnext.sodalive.live.room.LiveRoomRepository
+import kr.co.vividnext.sodalive.live.room.LiveRoomService
+import kr.co.vividnext.sodalive.live.room.cancel.CancelLiveRequest
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import kr.co.vividnext.sodalive.v2.gift.application.GiftPushService
+import kr.co.vividnext.sodalive.v2.usercreatorchat.service.UserCreatorChatService
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.EnumSource
+import org.mockito.Mockito
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.mock.web.MockHttpServletRequest
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.event.ApplicationEvents
+import org.springframework.test.context.event.RecordApplicationEvents
+import org.springframework.test.util.AopTestUtils
+import org.springframework.transaction.annotation.Transactional
+import org.springframework.web.context.request.RequestContextHolder
+import org.springframework.web.context.request.ServletRequestAttributes
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@SpringBootTest(
+    properties = [
+        "spring.cache.type=none",
+        "jwt.secret=MDEyMzQ1Njc4OWFiY2RlZjAxMjM0NTY3ODlhYmNkZWYwMTIzNDU2Nzg5YWJjZGVmMDEyMzQ1Njc4OWFiY2RlZg=="
+    ]
+)
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@RecordApplicationEvents
+@Transactional
+class FcmSendListenerLocalizedNameTest @Autowired constructor(
+    private val listener: FcmSendListener,
+    private val chatService: UserCreatorChatService,
+    private val liveRoomService: LiveRoomService,
+    private val commentService: AudioContentCommentService,
+    private val giftPushService: GiftPushService,
+    private val memberRepository: MemberRepository,
+    private val pushTokenRepository: PushTokenRepository,
+    private val notificationRepository: PushNotificationListRepository,
+    private val roomRepository: LiveRoomRepository,
+    private val reservationRepository: LiveReservationRepository,
+    private val jdbcTemplate: JdbcTemplate,
+    private val langContext: LangContext,
+    private val entityManager: EntityManager
+) {
+    @Autowired
+    private lateinit var applicationEvents: ApplicationEvents
+
+    @MockBean
+    private lateinit var fcmService: FcmService
+
+    @MockBean
+    private lateinit var s3Uploader: S3Uploader
+
+    @BeforeEach
+    fun setUpRequest() {
+        RequestContextHolder.setRequestAttributes(ServletRequestAttributes(MockHttpServletRequest()))
+        langContext.setLang(Lang.EN)
+    }
+
+    @AfterEach
+    fun resetRequest() {
+        RequestContextHolder.resetRequestAttributes()
+    }
+
+    @Test
+    @DisplayName("실제 DM 이벤트의 이름 인자와 255자 발신자 스냅샷을 토큰 언어별로 독립 렌더링한다")
+    fun shouldRenderDmNameArgumentAndSenderSnapshotForEachTokenLanguage() {
+        val creator = savedMember("dm-creator", MemberRole.CREATOR)
+        val recipient = savedMember("dm-recipient")
+        val japaneseName = "名".repeat(255)
+        saveAlias(creator, japaneseName)
+        saveTokens(recipient)
+        val roomId = chatService.createOrGetRoom(creator, recipient.id!!).roomId
+
+        chatService.sendTextMessageByWebSocket(creator.id!!, roomId, "dm-creator 본문은 그대로", Lang.EN)
+        val event = publishedEvent()
+        AopTestUtils.getUltimateTargetObject<FcmSendListener>(listener).send(event)
+        entityManager.flush()
+        entityManager.clear()
+
+        val pushes = outgoingPushes()
+        val snapshots = notificationRepository.findAll().associateBy { it.languageCode }
+        assertAll(
+            { assertEquals(2, pushes.size) },
+            { assertEquals("DM", pushes.getValue("token-ja").first) },
+            { assertEquals("${japaneseName}からDMが届きました。", pushes.getValue("token-ja").second) },
+            { assertEquals("DM", pushes.getValue("token-ko").first) },
+            { assertEquals("dm-creator님으로 부터 DM이 도착했습니다.", pushes.getValue("token-ko").second) },
+            { assertEquals(japaneseName, snapshots.getValue("ja").senderNicknameSnapshot) },
+            { assertEquals("dm-creator", snapshots.getValue("ko").senderNicknameSnapshot) },
+            { assertEquals(pushes.getValue("token-ja").second, snapshots.getValue("ja").message) },
+            { assertEquals(pushes.getValue("token-ko").second, snapshots.getValue("ko").message) },
+            { assertEquals(listOf("dm-creator"), event.args) },
+            { assertEquals("dm-creator", memberRepository.findById(creator.id!!).orElseThrow().nickname) }
+        )
+    }
+
+    @Test
+    @DisplayName("실제 라이브 취소 이벤트의 제목만 현지화하고 같은 문자열인 방 제목 인자는 보존한다")
+    fun shouldLocalizeLiveSenderTitleWithoutReplacingRoomTitleArgument() {
+        val creator = savedMember("creator.*$", MemberRole.CREATOR)
+        val recipient = savedMember("live-recipient")
+        saveAlias(creator, "日本の配信者")
+        saveTokens(recipient)
+        val room = roomRepository.saveAndFlush(
+            LiveRoom(
+                title = "creator.*$",
+                notice = "notice",
+                beginDateTime = LocalDateTime.now().plusDays(1),
+                numberOfPeople = 10,
+                isAdult = false
+            ).apply { member = creator }
+        )
+        reservationRepository.saveAndFlush(
+            LiveReservation().apply {
+                member = recipient
+                this.room = room
+            }
+        )
+
+        liveRoomService.cancelLive(CancelLiveRequest(room.id!!, "취소 사유"), creator)
+        val event = publishedEvent()
+        AopTestUtils.getUltimateTargetObject<FcmSendListener>(listener).send(event)
+
+        val pushes = outgoingPushes()
+        val snapshots = notificationRepository.findAll().associateBy { it.languageCode }
+        assertAll(
+            { assertEquals("日本の配信者", pushes.getValue("token-ja").first) },
+            { assertEquals("ライブ取消: creator.*$", pushes.getValue("token-ja").second) },
+            { assertEquals("creator.*$", pushes.getValue("token-ko").first) },
+            { assertEquals("라이브 취소 : creator.*$", pushes.getValue("token-ko").second) },
+            { assertEquals("日本の配信者", snapshots.getValue("ja").senderNicknameSnapshot) },
+            { assertEquals("creator.*$", snapshots.getValue("ko").senderNicknameSnapshot) },
+            { assertEquals("creator.*$", event.title) },
+            { assertEquals(listOf("creator.*$"), event.args) }
+        )
+    }
+
+    @Test
+    @DisplayName("발신자 ID가 없는 과거 알림은 현재 이름 변경 뒤 신규 알림을 발송해도 이름과 본문이 불변이다")
+    fun shouldPreserveHistoricalNotificationWithoutSenderId() {
+        val creator = savedMember("historical-creator", MemberRole.CREATOR)
+        val recipient = savedMember("historical-recipient")
+        saveTokens(recipient)
+        val historical = notificationRepository.saveAndFlush(
+            PushNotificationList(
+                senderNicknameSnapshot = "過去の名前",
+                message = "過去の配信通知",
+                category = PushNotificationCategory.LIVE,
+                languageCode = "ja"
+            ).apply { addRecipientChunk(PushNotificationRecipientChunk(listOf(recipient.id!!))) }
+        )
+        saveAlias(creator, "現在の名前")
+        creator.nickname = "changed-original"
+        entityManager.flush()
+        entityManager.clear()
+
+        val roomId = chatService.createOrGetRoom(creator, recipient.id!!).roomId
+        chatService.sendTextMessageByWebSocket(creator.id!!, roomId, "새 알림 본문", Lang.EN)
+        AopTestUtils.getUltimateTargetObject<FcmSendListener>(listener).send(publishedEvent())
+        entityManager.flush()
+        entityManager.clear()
+        val stored = notificationRepository.findById(historical.id!!).orElseThrow()
+
+        assertEquals(3L, notificationRepository.count())
+        assertEquals("過去の名前", stored.senderNicknameSnapshot)
+        assertEquals("過去の配信通知", stored.message)
+    }
+
+    @ParameterizedTest
+    @EnumSource(value = MemberRole::class, names = ["CREATOR", "USER"])
+    @DisplayName("실제 오디오 답글은 부모 이름 제목과 행위자 snapshot을 분리하고 콘텐츠 제목 인자를 보존한다")
+    fun shouldKeepReplyTitleOwnerSeparateFromActualSender(senderRole: MemberRole) {
+        val parentAuthor = savedMember("parent-author", MemberRole.CREATOR)
+        val sender = savedMember("reply-sender", senderRole)
+        saveAlias(parentAuthor, "親コメントの作者")
+        saveAlias(sender, "返信した作者")
+        saveTokens(parentAuthor)
+        val theme = AudioContentTheme("theme", "theme.png")
+        entityManager.persist(theme)
+        val content = AudioContent(title = "parent-author", detail = "detail", languageCode = "en").apply {
+            member = parentAuthor
+            this.theme = theme
+        }
+        entityManager.persist(content)
+        val parent = AudioContentComment("parent", "en").apply {
+            member = parentAuthor
+            audioContent = content
+        }
+        entityManager.persist(parent)
+        entityManager.flush()
+
+        commentService.registerComment(sender, "reply", content.id!!, parent.id, languageCode = "en")
+        val event = publishedEvent()
+        AopTestUtils.getUltimateTargetObject<FcmSendListener>(listener).send(event)
+        val pushes = outgoingPushes()
+        val snapshots = notificationRepository.findAll().associateBy { it.languageCode }
+
+        assertEquals(parentAuthor.id, event.titleMemberId)
+        assertEquals(sender.id, event.senderMemberId)
+        assertEquals("親コメントの作者", pushes.getValue("token-ja").first)
+        assertEquals("コメントに返信しました: parent-author", pushes.getValue("token-ja").second)
+        assertEquals("parent-author", pushes.getValue("token-ko").first)
+        assertEquals("reply-sender", snapshots.getValue("ko").senderNicknameSnapshot)
+        assertEquals(
+            if (senderRole == MemberRole.CREATOR) "返信した作者" else "reply-sender",
+            snapshots.getValue("ja").senderNicknameSnapshot
+        )
+        assertEquals(listOf("parent-author"), event.args)
+    }
+
+    @Test
+    @DisplayName("실제 기프트 알림의 자유 제목과 본문은 수신자 별칭이나 토큰 언어로 이름 치환하지 않는다")
+    fun shouldPreserveGiftTextAndDefaultSenderSnapshotWithoutNameMetadata() {
+        val recipient = savedMember("운송장 번호를 입력해 주세요", MemberRole.CREATOR)
+        saveAlias(recipient, "名前ではない通知")
+        saveTokens(recipient)
+
+        giftPushService.sendTrackingDeadlineReminder("gift-001", recipient.id!!)
+        val event = publishedEvent()
+        AopTestUtils.getUltimateTargetObject<FcmSendListener>(listener).send(event)
+        val pushes = outgoingPushes()
+
+        assertEquals(null, event.senderMemberId)
+        assertEquals(null, event.titleMemberId)
+        assertEquals(emptyMap<Int, Long>(), event.nameArgumentMemberIds)
+        assertEquals("운송장 번호를 입력해 주세요", pushes.getValue("token-ja").first)
+        assertEquals(pushes.getValue("token-ko"), pushes.getValue("token-ja"))
+        notificationRepository.findAll().forEach { assertEquals(event.title, it.senderNicknameSnapshot) }
+    }
+
+    private fun publishedEvent(): FcmEvent = applicationEvents.stream(FcmEvent::class.java).toList().single()
+
+    private fun savedMember(nickname: String, role: MemberRole = MemberRole.USER): Member = memberRepository.saveAndFlush(
+        Member(email = "$nickname@localized-fcm.test", password = "pw", nickname = nickname, role = role)
+    )
+
+    private fun saveAlias(member: Member, displayName: String) {
+        jdbcTemplate.update(
+            "INSERT INTO creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "VALUES (?, 'JA', ?, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            displayName
+        )
+    }
+
+    private fun saveTokens(member: Member) {
+        pushTokenRepository.saveAndFlush(PushToken("token-ja", "aos", "ja-JP").apply { this.member = member })
+        pushTokenRepository.saveAndFlush(PushToken("token-ko", "ios", "ko-KR").apply { this.member = member })
+    }
+
+    private fun outgoingPushes(): Map<String, Pair<String, String>> = Mockito.mockingDetails(fcmService).invocations
+        .filter { it.method.name == "send" }
+        .associate { invocation ->
+            val tokens = invocation.getArgument<List<String>>(0)
+            tokens.single() to Pair(invocation.getArgument<String>(1), invocation.getArgument<String>(2))
+        }
+}
diff --git a/src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt b/src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt
index c8235db0..6736b609 100644
--- a/src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt
+++ b/src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt
@@ -71,7 +71,8 @@ class PushNotificationServiceTest {
             fcmEvent = event,
             languageCode = "ko",
             translatedMessage = "테스트 메시지",
-            recipientPushTokens = pushTokens
+            recipientPushTokens = pushTokens,
+            localizedSenderNickname = null
         )
 
         // then: 수신자 없음 규칙에 따라 저장이 발생하지 않아야 한다.
@@ -95,7 +96,8 @@ class PushNotificationServiceTest {
             fcmEvent = event,
             languageCode = "ko",
             translatedMessage = "시스템 알림",
-            recipientPushTokens = pushTokens
+            recipientPushTokens = pushTokens,
+            localizedSenderNickname = null
         )
 
         // then: SYSTEM 카테고리 보정 결과에 따라 저장이 발생하지 않아야 한다.
@@ -124,7 +126,8 @@ class PushNotificationServiceTest {
             fcmEvent = event,
             languageCode = "ko",
             translatedMessage = "라이브가 시작되었습니다.",
-            recipientPushTokens = pushTokens
+            recipientPushTokens = pushTokens,
+            localizedSenderNickname = null
         )
 
         // then: 보정된 LIVE 카테고리로 저장되어야 한다.
@@ -163,7 +166,8 @@ class PushNotificationServiceTest {
             fcmEvent = event,
             languageCode = "ko",
             translatedMessage = "라이브가 시작되었습니다.",
-            recipientPushTokens = pushTokens
+            recipientPushTokens = pushTokens,
+            localizedSenderNickname = null
         )
 
         // then: 발송자 스냅샷/딥링크/카테고리/언어와 수신자 청크가 정확히 저장되어야 한다.
@@ -206,7 +210,8 @@ class PushNotificationServiceTest {
             fcmEvent = event,
             languageCode = "ko",
             translatedMessage = "새 댓글이 등록되었습니다.",
-            recipientPushTokens = pushTokens
+            recipientPushTokens = pushTokens,
+            localizedSenderNickname = null
         )
 
         val captor = ArgumentCaptor.forClass(PushNotificationList::class.java)