diff --git a/SodaLive/Sources/Audition/Applicant/AuditionApplicantItemView.swift b/SodaLive/Sources/Audition/Applicant/AuditionApplicantItemView.swift
index 6ce60cb..d8b2448 100644
--- a/SodaLive/Sources/Audition/Applicant/AuditionApplicantItemView.swift
+++ b/SodaLive/Sources/Audition/Applicant/AuditionApplicantItemView.swift
@@ -11,6 +11,7 @@ import Kingfisher
 struct AuditionApplicantItemView: View {
     
     let item: GetAuditionRoleApplicantItem
+    let onClickVote: (Int) -> Void
     
     var body: some View {
         VStack(spacing: 5.3) {
@@ -47,6 +48,9 @@ struct AuditionApplicantItemView: View {
                         .font(.custom(Font.medium.rawValue, size: 12))
                         .foregroundColor(Color.gray77)
                 }
+                .onTapGesture {
+                    onClickVote(item.applicantId)
+                }
             }
             .padding(.vertical, 18.7)
             
@@ -67,6 +71,7 @@ struct AuditionApplicantItemView: View {
             profileImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png",
             voiceUrl: "",
             voteCount: 777
-        )
+        ),
+        onClickVote: { _ in }
     )
 }
diff --git a/SodaLive/Sources/Audition/Applicant/GetAuditionApplicantListResponse.swift b/SodaLive/Sources/Audition/Applicant/GetAuditionApplicantListResponse.swift
index ef09461..b03e1f8 100644
--- a/SodaLive/Sources/Audition/Applicant/GetAuditionApplicantListResponse.swift
+++ b/SodaLive/Sources/Audition/Applicant/GetAuditionApplicantListResponse.swift
@@ -16,5 +16,5 @@ struct GetAuditionRoleApplicantItem: Decodable {
     let nickname: String
     let profileImageUrl: String
     let voiceUrl: String
-    let voteCount: Int
+    var voteCount: Int
 }
diff --git a/SodaLive/Sources/Audition/AuditionApi.swift b/SodaLive/Sources/Audition/AuditionApi.swift
index 3b93b6e..66101e2 100644
--- a/SodaLive/Sources/Audition/AuditionApi.swift
+++ b/SodaLive/Sources/Audition/AuditionApi.swift
@@ -14,6 +14,7 @@ enum AuditionApi {
     case getAuditionRoleDetail(auditionRoleId: Int)
     case getAuditionApplicantList(auditionRoleId: Int, sortType: AuditionApplicantSortType, page: Int, size: Int)
     case applyAudition(parameters: [MultipartFormData])
+    case voteApplicant(applicantId: Int)
 }
 
 extension AuditionApi: TargetType {
@@ -37,6 +38,9 @@ extension AuditionApi: TargetType {
             
         case .applyAudition:
             return "/audition/applicant"
+            
+        case .voteApplicant:
+            return "/audition/vote"
         }
     }
     
@@ -46,7 +50,7 @@ extension AuditionApi: TargetType {
         case .getAuditionList, .getAuditionDetail, . getAuditionRoleDetail, .getAuditionApplicantList:
             return .get
             
-        case .applyAudition:
+        case .applyAudition, .voteApplicant:
             return .post
         }
     }
@@ -77,6 +81,10 @@ extension AuditionApi: TargetType {
             
         case .applyAudition(let parameters):
             return .uploadMultipart(parameters)
+            
+        case .voteApplicant(let applicantId):
+            let request = VoteAuditionApplicantRequest(applicantId: applicantId)
+            return .requestJSONEncodable(request)
         }
     }
     
diff --git a/SodaLive/Sources/Audition/AuditionRepository.swift b/SodaLive/Sources/Audition/AuditionRepository.swift
index ab48843..e168480 100644
--- a/SodaLive/Sources/Audition/AuditionRepository.swift
+++ b/SodaLive/Sources/Audition/AuditionRepository.swift
@@ -39,4 +39,8 @@ final class AuditionRepository {
     func applyAudition(parameters: [MultipartFormData]) -> AnyPublisher<Response, MoyaError> {
         return api.requestPublisher(.applyAudition(parameters: parameters))
     }
+    
+    func voteApplicant(applicantId: Int) -> AnyPublisher<Response, MoyaError> {
+        return api.requestPublisher(.voteApplicant(applicantId: applicantId))
+    }
 }
diff --git a/SodaLive/Sources/Audition/Role/AuditionRoleDetailView.swift b/SodaLive/Sources/Audition/Role/AuditionRoleDetailView.swift
index 2fc9368..c5c574b 100644
--- a/SodaLive/Sources/Audition/Role/AuditionRoleDetailView.swift
+++ b/SodaLive/Sources/Audition/Role/AuditionRoleDetailView.swift
@@ -87,8 +87,12 @@ struct AuditionRoleDetailView: View {
                                     ForEach(0..<viewModel.applicantList.count, id: \.self) {
                                         let applicant = viewModel.applicantList[$0]
                                         
-                                        AuditionApplicantItemView(item: applicant)
-                                            .padding(.bottom, $0 == viewModel.applicantList.count - 1 ? 33 : 0)
+                                        AuditionApplicantItemView(
+                                            item: applicant,
+                                            onClickVote: {
+                                                viewModel.voteApplicant(applicantId: $0)
+                                            }
+                                        ).padding(.bottom, $0 == viewModel.applicantList.count - 1 ? 33 : 0)
                                         
                                         if $0 == viewModel.applicantList.count - 1 {
                                             Color.clear
@@ -193,6 +197,17 @@ struct AuditionRoleDetailView: View {
                     viewModel.deleteAllRecordingFilesWithNamePrefix("voiceon_now_voice")
                 }
             }
+            
+            if viewModel.isShowSodaDialog {
+                SodaDialog(
+                    title: viewModel.dialogTitle,
+                    desc: viewModel.dialogDesc,
+                    confirmButtonTitle: "확인"
+                ) {
+                    viewModel.isShowSodaDialog = false
+                    viewModel.isShowNotifyVote = false
+                }
+            }
         }
     }
     
diff --git a/SodaLive/Sources/Audition/Role/AuditionRoleDetailViewModel.swift b/SodaLive/Sources/Audition/Role/AuditionRoleDetailViewModel.swift
index 7762457..8b2f8f2 100644
--- a/SodaLive/Sources/Audition/Role/AuditionRoleDetailViewModel.swift
+++ b/SodaLive/Sources/Audition/Role/AuditionRoleDetailViewModel.swift
@@ -36,6 +36,11 @@ final class AuditionRoleDetailViewModel: ObservableObject {
     @Published var soundData: Data? = nil
     @Published var phoneNumber = ""
     
+    @Published var isShowNotifyVote = true
+    @Published var isShowSodaDialog = false
+    @Published var dialogTitle = ""
+    @Published var dialogDesc = ""
+    
     var page = 1
     var isLast = false
     private var pageSize = 10
@@ -262,6 +267,62 @@ final class AuditionRoleDetailViewModel: ObservableObject {
         }
     }
     
+    func voteApplicant(applicantId: Int) {
+        isLoading = true
+        
+        repository.voteApplicant(applicantId: applicantId)
+            .sink { result in
+                switch result {
+                case .finished:
+                    DEBUG_LOG("finish")
+                case .failure(let error):
+                    ERROR_LOG(error.localizedDescription)
+                }
+            } receiveValue: { response in
+                self.isLoading = false
+                let responseData = response.data
+                
+                do {
+                    let jsonDecoder = JSONDecoder()
+                    let decoded = try jsonDecoder.decode(ApiResponseWithoutData.self, from: responseData)
+                    
+                    if decoded.success {
+                        if self.isShowNotifyVote {
+                            self.dialogTitle = "[오디션 응원]"
+                            self.dialogDesc = "오디션을 응원하셨습니다\n(무료응원 : 1계정당 1일 1회)\n1캔으로 추가 응원을 해보세요."
+                            self.isShowSodaDialog = true
+                        }
+                        
+                        if let index = self.applicantList.firstIndex(where: { $0.applicantId == applicantId }) {
+                            var applicant = self.applicantList[index]
+                            applicant.voteCount += 1
+                            
+                            self.applicantList.remove(at: index)
+                            self.applicantList.insert(applicant, at: index)
+                        }
+                    } else {
+                        if let message = decoded.message {
+                            if message.contains("오늘 응원은 여기까지") {
+                                self.dialogTitle = "[오늘 응원 제한]"
+                                self.dialogDesc = "오늘 응원은 여기까지!\n하루 최대 10회까지 이용이 가능합니다.\n내일 다시 이용해주세요."
+                                self.isShowSodaDialog = true
+                            } else {
+                                self.errorMessage = message
+                                self.isShowPopup = true
+                            }
+                        } else {
+                            self.errorMessage = "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
+                            self.isShowPopup = true
+                        }
+                    }
+                } catch {
+                    self.errorMessage = "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
+                    self.isShowPopup = true
+                }
+            }
+            .store(in: &subscription)
+    }
+    
     func deleteAllRecordingFilesWithNamePrefix(_ prefix: String) {
         let fileManager = FileManager.default
         let documentsURL = getDocumentsDirectory()
diff --git a/SodaLive/Sources/Audition/Vote/VoteAuditionApplicantRequest.swift b/SodaLive/Sources/Audition/Vote/VoteAuditionApplicantRequest.swift
new file mode 100644
index 0000000..4943562
--- /dev/null
+++ b/SodaLive/Sources/Audition/Vote/VoteAuditionApplicantRequest.swift
@@ -0,0 +1,14 @@
+//
+//  VoteAuditionApplicantRequest.swift
+//  SodaLive
+//
+//  Created by klaus on 1/7/25.
+//
+
+import Foundation
+
+struct VoteAuditionApplicantRequest: Encodable {
+    let applicantId: Int
+    let container: String = "ios"
+    let timezone: String = TimeZone.current.identifier
+}