diff --git a/src/client/app/common/mios.ts b/src/client/app/common/mios.ts
index 6d6d6b3e6..6fed267d6 100644
--- a/src/client/app/common/mios.ts
+++ b/src/client/app/common/mios.ts
@@ -16,6 +16,14 @@ import Err from '../common/views/components/connect-failed.vue';
 import { LocalTimelineStreamManager } from './scripts/streaming/local-timeline';
 import { GlobalTimelineStreamManager } from './scripts/streaming/global-timeline';
 
+const defaultSettings = {
+	fetchOnScroll: true,
+	showMaps: true,
+	showPostFormOnTopOfTl: false,
+	gradientWindowHeader: false,
+	showReplyTarget: true
+};
+
 //#region api requests
 let spinner = null;
 let pending = 0;
@@ -298,12 +306,7 @@ export default class MiOS extends EventEmitter {
 		const fetched = me => {
 			if (me) {
 				// デフォルトの設定をマージ
-				me.clientSettings = Object.assign({
-					fetchOnScroll: true,
-					showMaps: true,
-					showPostFormOnTopOfTl: false,
-					gradientWindowHeader: false
-				}, me.clientSettings);
+				me.clientSettings = Object.assign(defaultSettings, me.clientSettings);
 
 				// ローカルストレージにキャッシュ
 				localStorage.setItem('me', JSON.stringify(me));
diff --git a/src/client/app/desktop/views/components/notes.note.vue b/src/client/app/desktop/views/components/notes.note.vue
index 070c42352..752242d7d 100644
--- a/src/client/app/desktop/views/components/notes.note.vue
+++ b/src/client/app/desktop/views/components/notes.note.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="note" tabindex="-1" :title="title" @keydown="onKeydown">
-	<div class="reply-to" v-if="p.reply">
+	<div class="reply-to" v-if="p.reply && (!os.isSignedIn || os.i.clientSettings.showReplyTarget)">
 		<x-sub :note="p.reply"/>
 	</div>
 	<div class="renote" v-if="isRenote">
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index 3d88ccb6c..f9d9bab18 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -40,6 +40,7 @@
 				<button class="ui button" @click="customizeHome">ホームをカスタマイズ</button>
 			</div>
 			<mk-switch v-model="os.i.clientSettings.showPostFormOnTopOfTl" @change="onChangeShowPostFormOnTopOfTl" text="タイムライン上部に投稿フォームを表示する"/>
+			<mk-switch v-model="os.i.clientSettings.showReplyTarget" @change="onChangeShowReplyTarget" text="リプライ先を表示する"/>
 			<mk-switch v-model="os.i.clientSettings.showMaps" @change="onChangeShowMaps" text="マップの自動展開">
 				<span>位置情報が添付された投稿のマップを自動的に展開します。</span>
 			</mk-switch>
@@ -303,6 +304,12 @@ export default Vue.extend({
 				value: v
 			});
 		},
+		onChangeShowReplyTarget(v) {
+			(this as any).api('i/update_client_setting', {
+				name: 'showReplyTarget',
+				value: v
+			});
+		},
 		onChangeShowMaps(v) {
 			(this as any).api('i/update_client_setting', {
 				name: 'showMaps',
diff --git a/src/client/app/mobile/views/components/note.vue b/src/client/app/mobile/views/components/note.vue
index 088275311..5d3a6c736 100644
--- a/src/client/app/mobile/views/components/note.vue
+++ b/src/client/app/mobile/views/components/note.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="note" :class="{ renote: isRenote }">
-	<div class="reply-to" v-if="p.reply">
+	<div class="reply-to" v-if="p.reply && (!os.isSignedIn || os.i.clientSettings.showReplyTarget)">
 		<x-sub :note="p.reply"/>
 	</div>
 	<div class="renote" v-if="isRenote">