diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index e68c60f3f..32811a98f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -217,7 +217,7 @@ class ApplicationController < ActionController::Base
   def redirect_if_name_invalid?
     if request.format.html? && !CurrentUser.user.is_anonymous? && CurrentUser.user.name_invalid?
       flash[:notice] = "You must change your username to continue using #{Danbooru.config.app_name}"
-      redirect_to new_user_name_change_request_path
+      redirect_to change_name_user_path(CurrentUser.user)
     end
   end
 
diff --git a/app/controllers/user_name_change_requests_controller.rb b/app/controllers/user_name_change_requests_controller.rb
index 8953f91b8..a9ed1a234 100644
--- a/app/controllers/user_name_change_requests_controller.rb
+++ b/app/controllers/user_name_change_requests_controller.rb
@@ -6,15 +6,17 @@ class UserNameChangeRequestsController < ApplicationController
   skip_before_action :redirect_if_name_invalid?
 
   def new
-    @change_request = authorize UserNameChangeRequest.new(permitted_attributes(UserNameChangeRequest))
+    user = User.find_by_name(params[:id]) || CurrentUser.user
+    @change_request = authorize UserNameChangeRequest.new(user: user, **permitted_attributes(UserNameChangeRequest))
     respond_with(@change_request)
   end
 
   def create
-    @change_request = authorize UserNameChangeRequest.new(user: CurrentUser.user, original_name: CurrentUser.user.name)
-    @change_request.update(permitted_attributes(@change_request))
-    flash[:notice] = "Your name has been changed" if @change_request.valid?
-    respond_with(@change_request, location: profile_path)
+    user = User.find(params.dig(:user_name_change_request, :user_id))
+    @change_request = authorize UserNameChangeRequest.new(updater: CurrentUser.user, original_name: user.name, **permitted_attributes(UserNameChangeRequest))
+    @change_request.save
+    flash[:notice] = "Name changed" if @change_request.valid?
+    respond_with(@change_request, location: @change_request.user)
   end
 
   def show
diff --git a/app/models/dmail.rb b/app/models/dmail.rb
index de68e9bbf..1b6cbf788 100644
--- a/app/models/dmail.rb
+++ b/app/models/dmail.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class Dmail < ApplicationRecord
-  attr_accessor :creator_ip_addr
+  attr_accessor :creator_ip_addr, :disable_email_notifications
 
   validate :validate_sender_is_not_limited, on: :create
   validates :title, presence: true, length: { maximum: 200 }, if: :title_changed?
@@ -145,7 +145,7 @@ class Dmail < ApplicationRecord
   end
 
   def send_email
-    if is_recipient? && !is_deleted? && to.receive_email_notifications?
+    if is_recipient? && !is_deleted? && to.receive_email_notifications? && !disable_email_notifications
       UserMailer.with(headers: { "X-Danbooru-Dmail": Routes.dmail_url(self) }).dmail_notice(self).deliver_later
     end
   end
diff --git a/app/models/user_name_change_request.rb b/app/models/user_name_change_request.rb
index 494385b50..2c6f94e39 100644
--- a/app/models/user_name_change_request.rb
+++ b/app/models/user_name_change_request.rb
@@ -2,13 +2,16 @@
 
 class UserNameChangeRequest < ApplicationRecord
   belongs_to :user
-  belongs_to :approver, class_name: "User", optional: true
+
+  attr_accessor :updater
 
   validate :not_limited, on: :create
   validates :original_name, presence: true
   validates :desired_name, user_name: true, presence: true, on: :create
 
   after_create :update_name!
+  after_create :create_mod_action
+  after_create :send_dmail
 
   def self.visible(user)
     if user.is_moderator?
@@ -31,9 +34,22 @@ class UserNameChangeRequest < ApplicationRecord
 
   def not_limited
     return if user.name_invalid?
+    return if updater && updater != user
 
-    if UserNameChangeRequest.unscoped.where(user: user).exists?(["created_at >= ?", 1.week.ago])
+    if user.user_name_change_requests.exists?(created_at: (1.week.ago..))
       errors.add(:base, "You can only submit one name change request per week")
     end
   end
+
+  def create_mod_action
+    return if updater.nil? || user == updater
+    ModAction.log("changed user ##{user.id}'s name from #{original_name} to #{desired_name}", :user_name_change, subject: user, user: updater)
+  end
+
+  def send_dmail
+    return if updater.nil? || user == updater
+    Dmail.create_automated(to: user, disable_email_notifications: true, title: "Your username has been changed", body: <<~EOS)
+      Your username has been changed from #{original_name} to #{desired_name}. Your old name was either no longer valid or it violated site rules. You can change it to something else after one week. Please make sure your name follows the [[help:community rules|community rules]].
+    EOS
+  end
 end
diff --git a/app/policies/user_name_change_request_policy.rb b/app/policies/user_name_change_request_policy.rb
index 84078526e..ea7460e07 100644
--- a/app/policies/user_name_change_request_policy.rb
+++ b/app/policies/user_name_change_request_policy.rb
@@ -9,7 +9,17 @@ class UserNameChangeRequestPolicy < ApplicationPolicy
     user.is_moderator? || (!user.is_anonymous? && !record.user.is_deleted?) || (record.user == user)
   end
 
-  def permitted_attributes
-    [:desired_name]
+  def create?
+    !user.is_anonymous? && (name_change.user == user || can_rename_user?)
   end
+
+  def can_rename_user?
+    user.is_moderator? && name_change.user.level < User::Levels::MODERATOR
+  end
+
+  def permitted_attributes_for_create
+    [:user_id, :desired_name]
+  end
+
+  alias_method :name_change, :record
 end
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 28a82a3f2..77bc85df8 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -160,7 +160,7 @@
     <% if !CurrentUser.user.is_anonymous? && CurrentUser.user.name_invalid? %>
       <div class="notice notice-error notice-large" id="invalid-name-notice">
         <h2>Action required </h2>
-        <div>You must <%= link_to "change your username", new_user_name_change_request_path %> to continue using <%= Danbooru.config.canonical_app_name %>.</div>
+        <div>You must <%= link_to "change your username", change_name_user_path(CurrentUser.user) %> to continue using <%= Danbooru.config.canonical_app_name %>.</div>
       </div>
     <% end %>
 
diff --git a/app/views/static/site_map.html.erb b/app/views/static/site_map.html.erb
index cb811ed8a..cd2407b29 100644
--- a/app/views/static/site_map.html.erb
+++ b/app/views/static/site_map.html.erb
@@ -131,9 +131,6 @@
         <% else %>
           <li><%= link_to "Profile", profile_path %></li>
           <li><%= link_to "Settings", settings_path %></li>
-          <% if policy(UserNameChangeRequest).create? %>
-            <li><%= link_to "Change name", new_user_name_change_request_path %></li>
-          <% end %>
           <li><%= link_to "Uploads", user_uploads_path(CurrentUser.user) %></li>
           <li><%= link_to "Dmails", dmails_path(search: { folder: "received" }) %></li>
           <li><%= link_to "Favorites", favorites_path %></li>
diff --git a/app/views/user_name_change_requests/_secondary_links.html.erb b/app/views/user_name_change_requests/_secondary_links.html.erb
index 47803bb0c..569308136 100644
--- a/app/views/user_name_change_requests/_secondary_links.html.erb
+++ b/app/views/user_name_change_requests/_secondary_links.html.erb
@@ -1,5 +1,5 @@
 <% content_for(:secondary_links) do %>
   <%= subnav_link_to "Listing", user_name_change_requests_path %>
-  <%= subnav_link_to "New", new_user_name_change_request_path %>
+  <%= subnav_link_to "New", change_name_user_path(CurrentUser.user) unless CurrentUser.user.is_anonymous? %>
   <%= subnav_link_to "Help", wiki_page_path("help:user_name_change_requests") %>
 <% end %>
diff --git a/app/views/user_name_change_requests/new.html.erb b/app/views/user_name_change_requests/new.html.erb
index 5d8270f19..a29db248b 100644
--- a/app/views/user_name_change_requests/new.html.erb
+++ b/app/views/user_name_change_requests/new.html.erb
@@ -1,6 +1,10 @@
 <div id="c-user-name-change-requests">
   <div id="a-new" class="fixed-width-container">
-    <h1>Change Name</h1>
+    <% if CurrentUser.user != @change_request.user %>
+      <h1>Change Name: <%= link_to_user @change_request.user %></h1>
+    <% else %>
+      <h1>Change Name</h1>
+    <% end %>
 
     <% if CurrentUser.user.name_invalid? %>
       <p> Your current username is invalid. You must change your username to continue
@@ -26,6 +30,7 @@
     </div>
 
     <%= edit_form_for(@change_request) do |f| %>
+      <%= f.input :user_id, as: :hidden, input_html: { value: @change_request.user_id } %>
       <%= f.input :desired_name, label: "New name" %>
       <%= f.submit "Submit" %>
     <% end %>
diff --git a/app/views/user_name_change_requests/show.html.erb b/app/views/user_name_change_requests/show.html.erb
index e95f2bc96..6750b1066 100644
--- a/app/views/user_name_change_requests/show.html.erb
+++ b/app/views/user_name_change_requests/show.html.erb
@@ -8,7 +8,6 @@
           <th>Date</th>
           <td>
             <%= compact_time @change_request.created_at %>
-            <%= render "application/update_notice", record: @change_request %>
           </td>
         </tr>
         <tr>
diff --git a/app/views/users/_secondary_links.html.erb b/app/views/users/_secondary_links.html.erb
index 66580a933..fd5b4bce3 100644
--- a/app/views/users/_secondary_links.html.erb
+++ b/app/views/users/_secondary_links.html.erb
@@ -27,6 +27,10 @@
       <%= subnav_link_to "Promote", edit_admin_user_path(@user) %>
     <% end %>
 
+    <% if policy(UserNameChangeRequest.new(user: @user)).can_rename_user? %>
+      <%= subnav_link_to "Rename", change_name_user_path(@user) %>
+    <% end %>
+
     <% if policy(Ban.new(user: @user)).create? %>
       <% if @user.is_banned? && @user.active_ban.present? %>
         <%= subnav_link_to "Unban", ban_path(@user.active_ban) %>
diff --git a/app/views/users/edit.html.erb b/app/views/users/edit.html.erb
index 351ba0a2b..046ebfe7f 100644
--- a/app/views/users/edit.html.erb
+++ b/app/views/users/edit.html.erb
@@ -14,7 +14,7 @@
       <fieldset id="basic-settings-section">
         <div class="input">
           <label>Name</label>
-          <p><%= link_to "Change your name", new_user_name_change_request_path %></p>
+          <p><%= link_to "Change your name", change_name_user_path(@user) %></p>
         </div>
 
         <div class="input">
diff --git a/app/views/users/show.html+tooltip.erb b/app/views/users/show.html+tooltip.erb
index 75c83966d..63849a4fc 100644
--- a/app/views/users/show.html+tooltip.erb
+++ b/app/views/users/show.html+tooltip.erb
@@ -83,6 +83,14 @@
           <% end %>
         <% end %>
       <% end %>
+
+      <% if policy(UserNameChangeRequest.new(user: @user)).can_rename_user? %>
+        <% menu.item do %>
+          <%= link_to change_name_user_path(@user) do %>
+            <%= feedback_icon %> Rename User
+          <% end %>
+        <% end %>
+      <% end %>
     <% end %>
   </div>
 
diff --git a/config/routes.rb b/config/routes.rb
index 7f80ec25d..682c82153 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -270,9 +270,8 @@ Rails.application.routes.draw do
     resources :api_keys, only: [:new, :create, :edit, :update, :index, :destroy]
     resources :uploads, only: [:index]
 
-    collection do
-      get :custom_style
-    end
+    get :change_name, on: :member, to: "user_name_change_requests#new"
+    get :custom_style, on: :collection
   end
   get "/upgrade", to: "user_upgrades#new", as: "new_user_upgrade"
   get "/user_upgrades/new", to: redirect("/upgrade")
diff --git a/test/functional/application_controller_test.rb b/test/functional/application_controller_test.rb
index f0ab1423a..d8eb31429 100644
--- a/test/functional/application_controller_test.rb
+++ b/test/functional/application_controller_test.rb
@@ -95,7 +95,7 @@ class ApplicationControllerTest < ActionDispatch::IntegrationTest
         @user.update_columns(name: "foo__bar")
 
         get_auth posts_path, @user
-        assert_redirected_to new_user_name_change_request_path
+        assert_redirected_to change_name_user_path(@user)
       end
     end
 
diff --git a/test/functional/user_name_change_requests_controller_test.rb b/test/functional/user_name_change_requests_controller_test.rb
index 9539ae52d..c3d688de1 100644
--- a/test/functional/user_name_change_requests_controller_test.rb
+++ b/test/functional/user_name_change_requests_controller_test.rb
@@ -9,33 +9,70 @@ class UserNameChangeRequestsControllerTest < ActionDispatch::IntegrationTest
 
     context "new action" do
       should "render" do
-        get_auth new_user_name_change_request_path, @user
+        get_auth change_name_user_path(@user), @user
         assert_response :success
       end
 
       should "render when the current user's name is invalid" do
         @user.update_columns(name: "foo__bar")
-        get_auth new_user_name_change_request_path, @user
+        get_auth change_name_user_path(@user), @user
 
         assert_response :success
       end
     end
 
     context "create action" do
-      should "work" do
-        post_auth user_name_change_requests_path, @user, params: { user_name_change_request: { desired_name: "zun" }}
+      should "work for a user changing their own name" do
+        post_auth user_name_change_requests_path, @user, params: { user_name_change_request: { user_id: @user.id, desired_name: "zun" }}
 
-        assert_redirected_to profile_path
+        assert_redirected_to @user
         assert_equal("zun", @user.reload.name)
+
+        assert_equal(0, ModAction.user_name_change.count)
+        assert_equal(0, @user.dmails.received.count)
+      end
+
+      should "work for a moderator changing a regular user's name" do
+        @user = create(:user, name: "bkub")
+        @mod = create(:moderator_user)
+        post_auth user_name_change_requests_path, @mod, params: { user_name_change_request: { user_id: @user.id, desired_name: "zun" }}
+
+        assert_redirected_to @user
+        assert_equal("zun", @user.reload.name)
+
+        assert_equal("user_name_change", ModAction.last.category)
+        assert_equal(@mod, ModAction.last.creator)
+        assert_equal(@user, ModAction.last.subject)
+        assert_equal("changed user ##{@user.id}'s name from bkub to zun", ModAction.last.description)
+
+        assert_equal(1, @user.dmails.received.count)
+        assert_equal("Your username has been changed", @user.dmails.received.last.title)
+        assert_no_enqueued_emails
       end
 
       should "fail if the new name is invalid" do
         assert_no_changes(-> { @user.reload.name }) do
-          post_auth user_name_change_requests_path, @user, params: { user_name_change_request: { desired_name: "foo__bar" }}
+          post_auth user_name_change_requests_path, @user, params: { user_name_change_request: { user_id: @user.id, desired_name: "foo__bar" }}
 
           assert_response :success
         end
       end
+
+      should "fail for a regular user trying to change another user's name" do
+        @user = create(:user, name: "bkub")
+        post_auth user_name_change_requests_path, create(:builder_user), params: { user_name_change_request: { user_id: @user.id, desired_name: "zun" }}
+
+        assert_response 403
+        assert_equal("bkub", @user.reload.name)
+      end
+
+      should "fail for a moderator trying to change the name of someone above Builder level" do
+        @user = create(:moderator_user, name: "mod")
+        post_auth user_name_change_requests_path, create(:moderator_user), params: { user_name_change_request: { user_id: @user.id, desired_name: "zun" }}
+
+        assert_response 403
+        assert_equal("mod", @user.reload.name)
+      end
     end
 
     context "show action" do