diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
index e5d667fb..9a8b70a9 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
@@ -29,6 +29,7 @@ import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
 import kotlinx.coroutines.launch
 import kr.co.vividnext.sodalive.BuildConfig
+import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.base.BaseActivity
 import kr.co.vividnext.sodalive.common.Constants
 import kr.co.vividnext.sodalive.common.LoadingDialog
@@ -56,7 +57,7 @@ class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::i
     }
 
     override fun setupView() {
-        binding.toolbar.tvBack.text = "로그인"
+        binding.toolbar.tvBack.text = getString(R.string.title_login)
         binding.toolbar.tvBack.setOnClickListener { finish() }
         loadingDialog = LoadingDialog(this, layoutInflater)
 
@@ -113,7 +114,7 @@ class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::i
                     // Extract credential from the result returned by Credential Manager
                     handleSignIn(result.credential)
                 } catch (e: GetCredentialException) {
-                    showToast("구글 로그인을 하지 못했습니다. 다시 시도해 주세요")
+                    showToast(getString(R.string.login_google_failed))
                     Logger.e("Couldn't retrieve user's credentials: ${e.localizedMessage}")
                     loadingDialog.dismiss()
                 }
@@ -145,7 +146,7 @@ class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::i
                 startActivity(nextIntent)
             }
         } else {
-            showToast("로그인을 하지 못했습니다. 다시 시도해 주세요")
+            showToast(getString(R.string.login_failed))
             Logger.e("Credential is not of type Google ID!")
         }
     }
@@ -214,7 +215,7 @@ class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::i
     private val kakaoLoginCallback: (OAuthToken?, Throwable?) -> Unit = { token, error ->
         loadingDialog.dismiss()
         if (error != null) {
-            showToast("카카오 계정으로 로그인 하지 못했습니다. 다시 시도해 주세요")
+            showToast(getString(R.string.login_kakao_failed))
         } else if (token != null) {
             handleKakaoLogin(token)
         }
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
index dbcdfa02..9aff98f7 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
@@ -12,6 +12,7 @@ import androidx.media3.common.util.UnstableApi
 import com.jakewharton.rxbinding4.widget.textChanges
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
+import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.base.BaseActivity
 import kr.co.vividnext.sodalive.common.Constants
 import kr.co.vividnext.sodalive.common.LoadingDialog
@@ -38,7 +39,7 @@ class SignUpActivity : BaseActivity<ActivitySignupBinding>(ActivitySignupBinding
     }
 
     override fun setupView() {
-        binding.toolbar.tvBack.text = "회원가입"
+        binding.toolbar.tvBack.text = getString(R.string.title_signup)
         binding.toolbar.tvBack.setOnClickListener { finish() }
         loadingDialog = LoadingDialog(this, layoutInflater)
 
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 4b541984..2d3fdeee 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -41,8 +41,8 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:background="@android:color/transparent"
-                android:fontFamily="@font/gmarket_sans_medium"
-                android:hint="이메일"
+                android:fontFamily="@font/pretendard_medium"
+                android:hint="@string/hint_email"
                 android:importantForAutofill="no"
                 android:inputType="textEmailAddress"
                 android:paddingVertical="18dp"
@@ -71,8 +71,8 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:background="@android:color/transparent"
-                android:fontFamily="@font/gmarket_sans_medium"
-                android:hint="비밀번호"
+                android:fontFamily="@font/pretendard_medium"
+                android:hint="@string/hint_password"
                 android:imeOptions="actionDone"
                 android:importantForAutofill="no"
                 android:inputType="textPassword"
@@ -89,10 +89,10 @@
             android:layout_marginHorizontal="13.3dp"
             android:layout_marginTop="40dp"
             android:background="@drawable/bg_round_corner_6_7_3bb9f1"
-            android:fontFamily="@font/gmarket_sans_bold"
+            android:fontFamily="@font/pretendard_bold"
             android:gravity="center"
             android:paddingVertical="16dp"
-            android:text="로그인"
+            android:text="@string/title_login"
             android:textColor="@color/white"
             android:textSize="15sp" />
 
@@ -101,9 +101,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="30dp"
-            android:fontFamily="@font/gmarket_sans_medium"
+            android:fontFamily="@font/pretendard_medium"
             android:paddingVertical="10dp"
-            android:text="비밀번호를 잊으셨나요?"
+            android:text="@string/forgot_password"
             android:textColor="@color/color_bbbbbb"
             android:textSize="13.3sp" />
 
@@ -112,9 +112,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="10dp"
-            android:fontFamily="@font/gmarket_sans_medium"
+            android:fontFamily="@font/pretendard_medium"
             android:paddingVertical="10dp"
-            android:text="보이스온 회원이 아닌가요? 지금 가입하세요."
+            android:text="@string/signup_prompt"
             android:textColor="@color/color_bbbbbb"
             android:textSize="13.3sp" />
 
diff --git a/app/src/main/res/layout/activity_signup.xml b/app/src/main/res/layout/activity_signup.xml
index 91defdd3..60dffc35 100644
--- a/app/src/main/res/layout/activity_signup.xml
+++ b/app/src/main/res/layout/activity_signup.xml
@@ -42,8 +42,8 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:background="@android:color/transparent"
-                    android:fontFamily="@font/gmarket_sans_medium"
-                    android:hint="이메일"
+                    android:fontFamily="@font/pretendard_medium"
+                    android:hint="@string/hint_email"
                     android:importantForAutofill="no"
                     android:inputType="textEmailAddress"
                     android:paddingVertical="18dp"
@@ -72,8 +72,8 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:background="@android:color/transparent"
-                    android:fontFamily="@font/gmarket_sans_medium"
-                    android:hint="비밀번호"
+                    android:fontFamily="@font/pretendard_medium"
+                    android:hint="@string/hint_password"
                     android:imeOptions="actionDone"
                     android:importantForAutofill="no"
                     android:inputType="textPassword"
@@ -111,8 +111,8 @@
                         android:id="@+id/tv_terms_of_service"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:fontFamily="@font/gmarket_sans_medium"
-                        android:text="이용약관"
+                        android:fontFamily="@font/pretendard_medium"
+                        android:text="@string/terms_of_service"
                         android:textColor="@color/color_eeeeee"
                         android:textSize="12sp" />
 
@@ -120,8 +120,8 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginStart="6.7dp"
-                        android:fontFamily="@font/gmarket_sans_medium"
-                        android:text="(필수)"
+                        android:fontFamily="@font/pretendard_medium"
+                        android:text="@string/required_label"
                         android:textColor="@color/color_3bb9f1"
                         android:textSize="12sp" />
                 </LinearLayout>
@@ -155,8 +155,8 @@
                         android:id="@+id/tv_privacy_policy"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:fontFamily="@font/gmarket_sans_medium"
-                        android:text="개인정보수집 및 이용동의"
+                        android:fontFamily="@font/pretendard_medium"
+                        android:text="@string/privacy_policy"
                         android:textColor="@color/color_eeeeee"
                         android:textSize="12sp" />
 
@@ -164,8 +164,8 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginStart="6.7dp"
-                        android:fontFamily="@font/gmarket_sans_medium"
-                        android:text="(필수)"
+                        android:fontFamily="@font/pretendard_medium"
+                        android:text="@string/required_label"
                         android:textColor="@color/color_3bb9f1"
                         android:textSize="12sp" />
                 </LinearLayout>
@@ -178,10 +178,10 @@
                 android:layout_marginHorizontal="13.3dp"
                 android:layout_marginTop="26.7dp"
                 android:background="@drawable/bg_round_corner_10_3bb9f1"
-                android:fontFamily="@font/gmarket_sans_bold"
+                android:fontFamily="@font/pretendard_bold"
                 android:gravity="center"
                 android:paddingVertical="16dp"
-                android:text="회원가입"
+                android:text="@string/title_signup"
                 android:textColor="@color/white"
                 android:textSize="18.3sp" />
         </LinearLayout>
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 45c27e45..a7cd3aba 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -43,4 +43,18 @@
     <string name="confirm_delete_message">Delete this?</string>
     <string name="confirm">OK</string>
     <string name="cancel">Cancel</string>
+
+    <!-- Login / Sign up -->
+    <string name="title_login">Log in</string>
+    <string name="title_signup">Sign up</string>
+    <string name="hint_email">Email</string>
+    <string name="hint_password">Password</string>
+    <string name="forgot_password">Forgot your password?</string>
+    <string name="signup_prompt">Not a VoiceOn member yet? Sign up now.</string>
+    <string name="terms_of_service">Terms of Service</string>
+    <string name="privacy_policy">Privacy Policy</string>
+    <string name="required_label">(Required)</string>
+    <string name="login_google_failed">Could not sign in with Google. Please try again.</string>
+    <string name="login_failed">Could not sign in. Please try again.</string>
+    <string name="login_kakao_failed">Could not sign in with Kakao. Please try again.</string>
 </resources>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index b9ccd53c..ef67f2d1 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -43,4 +43,18 @@
     <string name="confirm_delete_message">削除しますか？</string>
     <string name="confirm">OK</string>
     <string name="cancel">キャンセル</string>
+
+    <!-- Login / Sign up -->
+    <string name="title_login">ログイン</string>
+    <string name="title_signup">新規登録</string>
+    <string name="hint_email">メールアドレス</string>
+    <string name="hint_password">パスワード</string>
+    <string name="forgot_password">パスワードをお忘れですか？</string>
+    <string name="signup_prompt">VoiceOnの会員ではありませんか？今すぐ登録してください。</string>
+    <string name="terms_of_service">利用規約</string>
+    <string name="privacy_policy">個人情報の収集・利用について</string>
+    <string name="required_label">（必須）</string>
+    <string name="login_google_failed">Googleでログインできませんでした。もう一度お試しください。</string>
+    <string name="login_failed">ログインできませんでした。もう一度お試しください。</string>
+    <string name="login_kakao_failed">Kakaoアカウントでログインできませんでした。もう一度お試しください。</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2bdaa47d..93e1a889 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -42,4 +42,18 @@
     <string name="confirm_delete_message">삭제 하시겠습니까?</string>
     <string name="confirm">확인</string>
     <string name="cancel">취소</string>
+
+    <!-- Login / Sign up -->
+    <string name="title_login">로그인</string>
+    <string name="title_signup">회원가입</string>
+    <string name="hint_email">이메일</string>
+    <string name="hint_password">비밀번호</string>
+    <string name="forgot_password">비밀번호를 잊으셨나요?</string>
+    <string name="signup_prompt">보이스온 회원이 아닌가요? 지금 가입하세요.</string>
+    <string name="terms_of_service">이용약관</string>
+    <string name="privacy_policy">개인정보수집 및 이용동의</string>
+    <string name="required_label">(필수)</string>
+    <string name="login_google_failed">구글 로그인을 하지 못했습니다. 다시 시도해 주세요</string>
+    <string name="login_failed">로그인을 하지 못했습니다. 다시 시도해 주세요</string>
+    <string name="login_kakao_failed">카카오 계정으로 로그인 하지 못했습니다. 다시 시도해 주세요</string>
 </resources>