diff --git a/yobble/Network/ContactsService.swift b/yobble/Network/ContactsService.swift
index a8256b7..f4f0e07 100644
--- a/yobble/Network/ContactsService.swift
+++ b/yobble/Network/ContactsService.swift
@@ -44,6 +44,11 @@ private struct ContactDeleteRequestPayload: Encodable {
     let userId: UUID
 }
 
+private struct ContactUpdateRequestPayload: Encodable {
+    let userId: UUID
+    let customName: String?
+}
+
 final class ContactsService {
     private let client: NetworkClient
     private let decoder: JSONDecoder
@@ -215,6 +220,58 @@ final class ContactsService {
         }
     }
 
+    func updateContact(userId: UUID, customName: String?, completion: @escaping (Result<Void, Error>) -> Void) {
+        let request = ContactUpdateRequestPayload(userId: userId, customName: customName)
+
+        guard let body = try? encoder.encode(request) else {
+            let message = NSLocalizedString("Не удалось подготовить данные запроса.", comment: "Contacts service encoding error")
+            completion(.failure(ContactsServiceError.encoding(message)))
+            return
+        }
+
+        client.request(
+            path: "/v1/user/contact/update",
+            method: .patch,
+            body: body,
+            requiresAuth: true
+        ) { [decoder] result in
+            switch result {
+            case .success(let response):
+                do {
+                    let apiResponse = try decoder.decode(APIResponse<MessagePayload>.self, from: response.data)
+                    guard apiResponse.status == "fine" else {
+                        let message = apiResponse.detail ?? NSLocalizedString("Не удалось обновить контакт.", comment: "Contacts service update unexpected status")
+                        completion(.failure(ContactsServiceError.unexpectedStatus(message)))
+                        return
+                    }
+                    completion(.success(()))
+                } catch {
+                    let debugMessage = Self.describeDecodingError(error: error, data: response.data)
+                    if AppConfig.DEBUG {
+                        print("[ContactsService] decode contact update failed: \(debugMessage)")
+                    }
+                    completion(.failure(ContactsServiceError.decoding(debugDescription: debugMessage)))
+                }
+            case .failure(let error):
+                if case let NetworkError.server(_, data) = error,
+                   let data,
+                   let message = Self.errorMessage(from: data) {
+                    completion(.failure(ContactsServiceError.unexpectedStatus(message)))
+                    return
+                }
+                completion(.failure(error))
+            }
+        }
+    }
+
+    func updateContact(userId: UUID, customName: String?) async throws {
+        try await withCheckedThrowingContinuation { continuation in
+            updateContact(userId: userId, customName: customName) { result in
+                continuation.resume(with: result)
+            }
+        }
+    }
+
     private static func decodeDate(from decoder: Decoder) throws -> Date {
         let container = try decoder.singleValueContainer()
         let string = try container.decode(String.self)
diff --git a/yobble/Resources/Localizable.xcstrings b/yobble/Resources/Localizable.xcstrings
index 79915bc..e63ed04 100644
--- a/yobble/Resources/Localizable.xcstrings
+++ b/yobble/Resources/Localizable.xcstrings
@@ -853,9 +853,12 @@
     },
     "Имя в чате" : {
 
+    },
+    "Имя контакта должно быть короче 32 символов." : {
+      "comment" : "Contact edit name too long message"
     },
     "Имя не может быть пустым." : {
-      "comment" : "Contact add empty name error"
+      "comment" : "Contact add empty name error\nContact edit empty name error"
     },
     "Имя, логин и статус — как в профиле Telegram." : {
       "comment" : "Message profile about description"
@@ -1410,6 +1413,9 @@
     "Не удалось обновить аватар." : {
       "comment" : "Avatar upload unexpected status"
     },
+    "Не удалось обновить контакт." : {
+      "comment" : "Contacts service update unexpected status"
+    },
     "Не удалось обновить пароль." : {
       "localizations" : {
         "en" : {
@@ -1445,7 +1451,7 @@
       }
     },
     "Не удалось определить контакт." : {
-      "comment" : "Contact delete invalid user id error"
+      "comment" : "Contact delete invalid user id error\nContact edit invalid user id error"
     },
     "Не удалось определить пользователя для блокировки." : {
       "comment" : "Message profile missing user id error"
@@ -2599,6 +2605,7 @@
     },
     "Редактирование контакта появится позже." : {
       "comment" : "Message profile edit contact alert message",
+      "extractionState" : "stale",
       "localizations" : {
         "en" : {
           "stringUnit" : {
@@ -2744,7 +2751,7 @@
       "comment" : "Кнопка копирования кода восстановления"
     },
     "Скоро" : {
-      "comment" : "Add blocked user placeholder title\nCommon soon title\nContacts placeholder title\nЗаголовок заглушки"
+      "comment" : "Add blocked user placeholder title\nContacts placeholder title\nЗаголовок заглушки"
     },
     "Скоро можно будет искать сообщения, ссылки и файлы в этом чате." : {
       "comment" : "Message profile search action description"
@@ -2754,6 +2761,9 @@
     },
     "Скрыть" : {
 
+    },
+    "Слишком длинное имя" : {
+      "comment" : "Contact edit name too long title"
     },
     "Слишком много запросов." : {
       "localizations" : {
diff --git a/yobble/Views/Chat/MessageProfileView.swift b/yobble/Views/Chat/MessageProfileView.swift
index 9d7fa60..d945e7f 100644
--- a/yobble/Views/Chat/MessageProfileView.swift
+++ b/yobble/Views/Chat/MessageProfileView.swift
@@ -48,9 +48,15 @@ struct MessageProfileView: View {
                 if canEditContact {
                     if let profile = currentChatProfile {
                         NavigationLink {
-                            ContactEditView(contact: ContactEditInfo(profile: profile)) {
-                                handleContactDeleted()
-                            }
+                            ContactEditView(
+                                contact: ContactEditInfo(profile: profile),
+                                onContactDeleted: {
+                                    handleContactDeleted()
+                                },
+                                onContactUpdated: { newName in
+                                    handleContactUpdated(newName)
+                                }
+                            )
                         } label: {
                             Text(NSLocalizedString("Изменить", comment: "Message profile edit contact button"))
                         }
@@ -598,6 +604,29 @@ struct MessageProfileView: View {
         chatProfile = updatedProfile
     }
 
+    private func handleContactUpdated(_ newName: String) {
+        guard let profile = currentChatProfile else { return }
+
+        let updatedProfile = ChatProfile(
+            userId: profile.userId,
+            login: profile.login,
+            fullName: profile.fullName,
+            customName: newName,
+            bio: profile.bio,
+            lastSeen: profile.lastSeen,
+            createdAt: profile.createdAt,
+            avatars: profile.avatars,
+            stories: profile.stories,
+            permissions: profile.permissions,
+            profilePermissions: profile.profilePermissions,
+            relationship: profile.relationship,
+            rating: profile.rating,
+            isOfficial: profile.isOfficial
+        )
+
+        chatProfile = updatedProfile
+    }
+
     private func handleContactDeleted() {
         guard let profile = currentChatProfile else { return }
 
diff --git a/yobble/Views/Contacts/ContactEditView.swift b/yobble/Views/Contacts/ContactEditView.swift
index 3d67d78..e3ac816 100644
--- a/yobble/Views/Contacts/ContactEditView.swift
+++ b/yobble/Views/Contacts/ContactEditView.swift
@@ -56,18 +56,25 @@ struct ContactEditInfo {
 struct ContactEditView: View {
     let contact: ContactEditInfo
     let onContactDeleted: (() -> Void)?
+    let onContactUpdated: ((String) -> Void)?
 
     @Environment(\.dismiss) private var dismiss
     private let contactsService = ContactsService()
 
     @State private var displayName: String
     @State private var activeAlert: ContactEditAlert?
+    @State private var isSaving = false
     @State private var isDeleting = false
     @State private var showDeleteConfirmation = false
 
-    init(contact: ContactEditInfo, onContactDeleted: (() -> Void)? = nil) {
+    init(
+        contact: ContactEditInfo,
+        onContactDeleted: (() -> Void)? = nil,
+        onContactUpdated: ((String) -> Void)? = nil
+    ) {
         self.contact = contact
         self.onContactDeleted = onContactDeleted
+        self.onContactUpdated = onContactUpdated
         let initialName = contact.preferredName
         _displayName = State(initialValue: initialName)
     }
@@ -78,6 +85,7 @@ struct ContactEditView: View {
 
             Section(header: Text(NSLocalizedString("Публичная информация", comment: "Profile info section title"))) {
                 TextField(NSLocalizedString("Отображаемое имя", comment: "Display name field placeholder"), text: $displayName)
+                    .disabled(isSaving || isDeleting)
             }
 
             Section {
@@ -93,10 +101,14 @@ struct ContactEditView: View {
         .navigationBarTitleDisplayMode(.inline)
         .toolbar {
             ToolbarItem(placement: .confirmationAction) {
-                Button(NSLocalizedString("Сохранить", comment: "Contact edit save button")) {
-                    handleSaveTap()
+                if isSaving {
+                    ProgressView()
+                } else {
+                    Button(NSLocalizedString("Сохранить", comment: "Contact edit save button")) {
+                        handleSaveTap()
+                    }
+                    .disabled(!hasChanges || isDeleting)
                 }
-                .disabled(!hasChanges)
             }
         }
         .alert(item: $activeAlert) { item in
@@ -216,10 +228,53 @@ struct ContactEditView: View {
     }
 
     private func handleSaveTap() {
-        activeAlert = ContactEditAlert(
-            title: NSLocalizedString("Скоро", comment: "Common soon title"),
-            message: NSLocalizedString("Редактирование контакта появится позже.", comment: "Message profile edit contact alert message")
-        )
+        guard !isSaving, !isDeleting else { return }
+
+        guard let userId = UUID(uuidString: contact.userId) else {
+            activeAlert = ContactEditAlert(
+                title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                message: NSLocalizedString("Не удалось определить контакт.", comment: "Contact edit invalid user id error")
+            )
+            return
+        }
+
+        let trimmed = displayName.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !trimmed.isEmpty else {
+            activeAlert = ContactEditAlert(
+                title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                message: NSLocalizedString("Имя не может быть пустым.", comment: "Contact edit empty name error")
+            )
+            return
+        }
+
+        if trimmed.count > 32 {
+            activeAlert = ContactEditAlert(
+                title: NSLocalizedString("Слишком длинное имя", comment: "Contact edit name too long title"),
+                message: NSLocalizedString("Имя контакта должно быть короче 32 символов.", comment: "Contact edit name too long message")
+            )
+            return
+        }
+
+        isSaving = true
+
+        Task {
+            do {
+                try await contactsService.updateContact(userId: userId, customName: trimmed)
+                await MainActor.run {
+                    isSaving = false
+                    onContactUpdated?(trimmed)
+                    dismiss()
+                }
+            } catch {
+                await MainActor.run {
+                    isSaving = false
+                    activeAlert = ContactEditAlert(
+                        title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                        message: error.localizedDescription
+                    )
+                }
+            }
+        }
     }
 
     private func handleDeleteTap() {