diff --git a/.idea/dictionaries/bmarty.xml b/.idea/dictionaries/bmarty.xml
index 93ac86f417..9d601bff14 100644
--- a/.idea/dictionaries/bmarty.xml
+++ b/.idea/dictionaries/bmarty.xml
@@ -7,6 +7,7 @@
       <w>ciphertext</w>
       <w>coroutine</w>
       <w>decryptor</w>
+      <w>displayname</w>
       <w>emoji</w>
       <w>emojis</w>
       <w>fdroid</w>
diff --git a/CHANGES.md b/CHANGES.md
index 903880fa27..9fde9949ac 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,7 @@ Changes in RiotX 0.23.0 (2020-XX-XX)
 
 Features ✨:
  - Call with WebRTC support (##611)
+ - Add capability to change the display name (#1529)
 
 Improvements 🙌:
  - "Add Matrix app" menu is now always visible (#1495)
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/profile/ProfileService.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/profile/ProfileService.kt
index 92f9359e34..3d084336e3 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/profile/ProfileService.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/profile/ProfileService.kt
@@ -35,12 +35,19 @@ interface ProfileService {
     }
 
     /**
-     * Return the current dispayname for this user
+     * Return the current display name for this user
      * @param userId the userId param to look for
      *
      */
     fun getDisplayName(userId: String, matrixCallback: MatrixCallback<Optional<String>>): Cancelable
 
+    /**
+     * Update the display name for this user
+     * @param userId the userId to update the display name of
+     * @param newDisplayName the new display name of the user
+     */
+    fun setDisplayName(userId: String, newDisplayName: String, matrixCallback: MatrixCallback<Unit>): Cancelable
+
     /**
      * Return the current avatarUrl for this user.
      * @param userId the userId param to look for
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/DefaultProfileService.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/DefaultProfileService.kt
index a981e8e930..88f0dfc25c 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/DefaultProfileService.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/DefaultProfileService.kt
@@ -34,7 +34,8 @@ import javax.inject.Inject
 internal class DefaultProfileService @Inject constructor(private val taskExecutor: TaskExecutor,
                                                          private val monarchy: Monarchy,
                                                          private val refreshUserThreePidsTask: RefreshUserThreePidsTask,
-                                                         private val getProfileInfoTask: GetProfileInfoTask) : ProfileService {
+                                                         private val getProfileInfoTask: GetProfileInfoTask,
+                                                         private val setDisplayNameTask: SetDisplayNameTask) : ProfileService {
 
     override fun getDisplayName(userId: String, matrixCallback: MatrixCallback<Optional<String>>): Cancelable {
         val params = GetProfileInfoTask.Params(userId)
@@ -54,6 +55,14 @@ internal class DefaultProfileService @Inject constructor(private val taskExecuto
                 .executeBy(taskExecutor)
     }
 
+    override fun setDisplayName(userId: String, newDisplayName: String, matrixCallback: MatrixCallback<Unit>): Cancelable {
+        return setDisplayNameTask
+                .configureWith(SetDisplayNameTask.Params(userId = userId, newDisplayName = newDisplayName)) {
+                    callback = matrixCallback
+                }
+                .executeBy(taskExecutor)
+    }
+
     override fun getAvatarUrl(userId: String, matrixCallback: MatrixCallback<Optional<String>>): Cancelable {
         val params = GetProfileInfoTask.Params(userId)
         return getProfileInfoTask
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileAPI.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileAPI.kt
index 717497e582..b3b726a315 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileAPI.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileAPI.kt
@@ -23,6 +23,7 @@ import retrofit2.Call
 import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.POST
+import retrofit2.http.PUT
 import retrofit2.http.Path
 
 internal interface ProfileAPI {
@@ -42,6 +43,12 @@ internal interface ProfileAPI {
     @GET(NetworkConstants.URI_API_PREFIX_PATH_R0 + "account/3pid")
     fun getThreePIDs(): Call<AccountThreePidsResponse>
 
+    /**
+     * Change user display name
+     */
+    @PUT(NetworkConstants.URI_API_PREFIX_PATH_R0 + "profile/{userId}/displayname")
+    fun setDisplayName(@Path("userId") userId: String, @Body body: SetDisplayNameBody): Call<Unit>
+
     /**
      * Bind a threePid
      * Ref: https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-account-3pid-bind
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileModule.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileModule.kt
index 0d7ebe5b62..d83c305c10 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileModule.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/ProfileModule.kt
@@ -51,4 +51,7 @@ internal abstract class ProfileModule {
 
     @Binds
     abstract fun bindUnbindThreePidsTask(task: DefaultUnbindThreePidsTask): UnbindThreePidsTask
+
+    @Binds
+    abstract fun bindSetDisplayNameTask(task: DefaultSetDisplayNameTask): SetDisplayNameTask
 }
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameBody.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameBody.kt
new file mode 100644
index 0000000000..c9bcbff688
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameBody.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.matrix.android.internal.session.profile
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class SetDisplayNameBody(
+        /**
+         * The new display name for this user.
+         */
+        @Json(name = "displayname")
+        val displayName: String
+)
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameTask.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameTask.kt
new file mode 100644
index 0000000000..bca2f73f26
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/profile/SetDisplayNameTask.kt
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.matrix.android.internal.session.profile
+
+import im.vector.matrix.android.internal.network.executeRequest
+import im.vector.matrix.android.internal.task.Task
+import org.greenrobot.eventbus.EventBus
+import javax.inject.Inject
+
+internal abstract class SetDisplayNameTask : Task<SetDisplayNameTask.Params, Unit> {
+    data class Params(
+            val userId: String,
+            val newDisplayName: String
+    )
+}
+
+internal class DefaultSetDisplayNameTask @Inject constructor(
+        private val profileAPI: ProfileAPI,
+        private val eventBus: EventBus) : SetDisplayNameTask() {
+
+    override suspend fun execute(params: Params) {
+        return executeRequest(eventBus) {
+            val body = SetDisplayNameBody(
+                    displayName = params.newDisplayName
+            )
+            apiCall = profileAPI.setDisplayName(params.userId, body)
+        }
+    }
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/settings/VectorPreferences.kt b/vector/src/main/java/im/vector/riotx/features/settings/VectorPreferences.kt
index beae0a623e..5f245c883d 100755
--- a/vector/src/main/java/im/vector/riotx/features/settings/VectorPreferences.kt
+++ b/vector/src/main/java/im/vector/riotx/features/settings/VectorPreferences.kt
@@ -74,7 +74,6 @@ class VectorPreferences @Inject constructor(private val context: Context) {
         const val SETTINGS_SECURE_MESSAGE_RECOVERY_PREFERENCE_KEY = "SETTINGS_SECURE_MESSAGE_RECOVERY_PREFERENCE_KEY"
 
         // user
-        const val SETTINGS_DISPLAY_NAME_PREFERENCE_KEY = "SETTINGS_DISPLAY_NAME_PREFERENCE_KEY"
         const val SETTINGS_PROFILE_PICTURE_PREFERENCE_KEY = "SETTINGS_PROFILE_PICTURE_PREFERENCE_KEY"
 
         // contacts
diff --git a/vector/src/main/java/im/vector/riotx/features/settings/VectorSettingsGeneralFragment.kt b/vector/src/main/java/im/vector/riotx/features/settings/VectorSettingsGeneralFragment.kt
index 926d285f7b..d20f6c0684 100644
--- a/vector/src/main/java/im/vector/riotx/features/settings/VectorSettingsGeneralFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/features/settings/VectorSettingsGeneralFragment.kt
@@ -79,7 +79,7 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
         findPreference<UserAvatarPreference>(VectorPreferences.SETTINGS_PROFILE_PICTURE_PREFERENCE_KEY)!!
     }
     private val mDisplayNamePreference by lazy {
-        findPreference<EditTextPreference>(VectorPreferences.SETTINGS_DISPLAY_NAME_PREFERENCE_KEY)!!
+        findPreference<EditTextPreference>("SETTINGS_DISPLAY_NAME_PREFERENCE_KEY")!!
     }
     private val mPasswordPreference by lazy {
         findPreference<VectorPreference>(VectorPreferences.SETTINGS_CHANGE_PASSWORD_PREFERENCE_KEY)!!
@@ -858,44 +858,23 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
      * Update the displayname.
      */
     private fun onDisplayNameClick(value: String?) {
-        notImplemented()
-        /* TODO
-        if (!TextUtils.equals(session.myUser.displayname, value)) {
+        value ?: return
+        val currentDisplayName = session.getUser(session.myUserId)?.displayName ?: ""
+        if (currentDisplayName != value) {
             displayLoadingView()
 
-            session.myUser.updateDisplayName(value, object : MatrixCallback<Unit> {
-                override fun onSuccess(info: Void?) {
+            session.setDisplayName(session.myUserId, value, object : MatrixCallback<Unit> {
+                override fun onSuccess(data: Unit) {
                     // refresh the settings value
-                    PreferenceManager.getDefaultSharedPreferences(activity).edit {
-                        putString(VectorPreferences.SETTINGS_DISPLAY_NAME_PREFERENCE_KEY, value)
-                    }
-
+                    mDisplayNamePreference.summary = value
                     onCommonDone(null)
-
-                    refreshDisplay()
                 }
 
-                override fun onNetworkError(e: Exception) {
-                    onCommonDone(e.localizedMessage)
-                }
-
-                override fun onMatrixError(e: MatrixError) {
-                    if (MatrixError.M_CONSENT_NOT_GIVEN == e.errcode) {
-                        activity?.runOnUiThread {
-                            hideLoadingView()
-                            (activity as VectorAppCompatActivity).consentNotGivenHelper.displayDialog(e)
-                        }
-                    } else {
-                        onCommonDone(e.localizedMessage)
-                    }
-                }
-
-                override fun onUnexpectedError(e: Exception) {
-                    onCommonDone(e.localizedMessage)
+                override fun onFailure(failure: Throwable) {
+                    onCommonDone(failure.localizedMessage)
                 }
             })
         }
-        */
     }
 
     companion object {
diff --git a/vector/src/main/res/xml/vector_settings_general.xml b/vector/src/main/res/xml/vector_settings_general.xml
index 7248280e37..f79fbc71e2 100644
--- a/vector/src/main/res/xml/vector_settings_general.xml
+++ b/vector/src/main/res/xml/vector_settings_general.xml
@@ -14,6 +14,7 @@
 
         <im.vector.riotx.core.preference.VectorEditTextPreference
             android:key="SETTINGS_DISPLAY_NAME_PREFERENCE_KEY"
+            android:persistent="false"
             android:summary="@string/settings_display_name"
             android:title="@string/settings_display_name" />