diff --git a/locales/index.d.ts b/locales/index.d.ts
index e564b47270..de157a91d2 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5417,6 +5417,18 @@ export interface Locale extends ILocale {
      * スクロールして閉じる
      */
     "scrollToClose": string;
+    /**
+     * 絵文字ミュート
+     */
+    "emojiMute": string;
+    /**
+     * {x}をミュート
+     */
+    "muteX": ParameterizedString<"x">;
+    /**
+     * {x}のミュートを解除
+     */
+    "unmuteX": ParameterizedString<"x">;
     "_chat": {
         /**
          * まだメッセージはありません
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 7d2edf7194..2edd825229 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1349,6 +1349,9 @@ goToDeck: "デッキへ戻る"
 federationJobs: "連合ジョブ"
 driveAboutTip: "ドライブでは、過去にアップロードしたファイルの一覧が表示されます。<br>\nノートに添付する際に再利用したり、あとで投稿するファイルを予めアップロードしておくこともできます。<br>\n<b>ファイルを削除すると、今までそのファイルを使用した全ての場所(ノート、ページ、アバター、バナー等)からも見えなくなるので注意してください。</b><br>\nフォルダを作って整理することもできます。"
 scrollToClose: "スクロールして閉じる"
+emojiMute: "絵文字ミュート"
+muteX: "{x}をミュート"
+unmuteX: "{x}のミュートを解除"
 
 _chat:
   noMessagesYet: "まだメッセージはありません"
diff --git a/packages/frontend/src/components/global/MkCustomEmoji.vue b/packages/frontend/src/components/global/MkCustomEmoji.vue
index dda45ceaa2..64cdb118e5 100644
--- a/packages/frontend/src/components/global/MkCustomEmoji.vue
+++ b/packages/frontend/src/components/global/MkCustomEmoji.vue
@@ -5,14 +5,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <img
-	v-if="errored && fallbackToImage"
+	v-if="(errored || shouldMute ) && fallbackToImage"
 	:class="[$style.root, { [$style.normal]: normal, [$style.noStyle]: noStyle }]"
 	src="/client-assets/dummy.png"
 	:title="alt"
 	draggable="false"
 	style="-webkit-user-drag: none;"
 />
-<span v-else-if="errored">:{{ customEmojiName }}:</span>
+<span v-else-if="errored || shouldMute">:{{ customEmojiName }}:</span>
 <img
 	v-else
 	:class="[$style.root, { [$style.normal]: normal, [$style.noStyle]: noStyle }]"
@@ -51,12 +51,16 @@ const props = defineProps<{
 	menu?: boolean;
 	menuReaction?: boolean;
 	fallbackToImage?: boolean;
+	ignoreMuted?: boolean;
 }>();
 
 const react = inject(DI.mfmEmojiReactCallback);
 
 const customEmojiName = computed(() => (props.name[0] === ':' ? props.name.substring(1, props.name.length - 1) : props.name).replace('@.', ''));
 const isLocal = computed(() => !props.host && (customEmojiName.value.endsWith('@.') || !customEmojiName.value.includes('@')));
+const emojiCodeToMute = props.name.startsWith(':') ? props.name : `:${props.name}${props.host	? `@${props.host}` : ''}:`;
+const isMuted = computed(() => prefer.r.mutingEmojis.value.includes(emojiCodeToMute));
+const shouldMute = computed(() => !props.ignoreMuted && isMuted.value);
 
 const rawUrl = computed(() => {
 	if (props.url) {
@@ -95,14 +99,18 @@ function onClick(ev: MouseEvent) {
 		menuItems.push({
 			type: 'label',
 			text: `:${props.name}:`,
-		}, {
-			text: i18n.ts.copy,
-			icon: 'ti ti-copy',
-			action: () => {
-				copyToClipboard(`:${props.name}:`);
-			},
 		});
 
+		if (isLocal.value) {
+			menuItems.push({
+				text: i18n.ts.copy,
+				icon: 'ti ti-copy',
+				action: () => {
+					copyToClipboard(`:${props.name}:`);
+				},
+			});
+		}
+
 		if (props.menuReaction && react) {
 			menuItems.push({
 				text: i18n.ts.doReaction,
@@ -113,21 +121,33 @@ function onClick(ev: MouseEvent) {
 			});
 		}
 
+		if (isLocal.value) {
+			menuItems.push({
+				type: 'divider',
+			}, {
+				text: i18n.ts.info,
+				icon: 'ti ti-info-circle',
+				action: async () => {
+					const { dispose } = os.popup(MkCustomEmojiDetailedDialog, {
+						emoji: await misskeyApiGet('emoji', {
+							name: customEmojiName.value,
+						}),
+					}, {
+						closed: () => dispose(),
+					});
+				},
+			});
+		}
+
 		menuItems.push({
-			text: i18n.ts.info,
-			icon: 'ti ti-info-circle',
+			text: i18n.ts.mute,
+			icon: 'ti ti-mood-off',
 			action: async () => {
-				const { dispose } = os.popup(MkCustomEmojiDetailedDialog, {
-					emoji: await misskeyApiGet('emoji', {
-						name: customEmojiName.value,
-					}),
-				}, {
-					closed: () => dispose(),
-				});
+				await mute();
 			},
 		});
 
-		if ($i?.isModerator ?? $i?.isAdmin) {
+		if (($i?.isModerator ?? $i?.isAdmin) && isLocal.value) {
 			menuItems.push({
 				text: i18n.ts.edit,
 				icon: 'ti ti-pencil',
@@ -152,6 +172,21 @@ async function edit(name: string) {
 	});
 }
 
+function mute() {
+	os.confirm({
+		type: 'question',
+		title: i18n.tsx.muteX({ x: emojiCodeToMute }),
+	}).then(({ canceled }) => {
+		if (canceled) {
+			return;
+		}
+		const mutedEmojis = prefer.r.mutingEmojis.value;
+		if (!mutedEmojis.includes(emojiCodeToMute)) {
+			prefer.commit('mutingEmojis', [...mutedEmojis, emojiCodeToMute]);
+		}
+	});
+}
+
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/components/global/MkEmoji.vue b/packages/frontend/src/components/global/MkEmoji.vue
index fa55fd888b..76e932cdc0 100644
--- a/packages/frontend/src/components/global/MkEmoji.vue
+++ b/packages/frontend/src/components/global/MkEmoji.vue
@@ -4,7 +4,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<img v-if="!useOsNativeEmojis" :class="$style.root" :src="url" :alt="props.emoji" decoding="async" @pointerenter="computeTitle" @click="onClick"/>
+<img v-if="shouldMute" :class="$style.root" src="/client-assets/dummy.png" :alt="props.emoji" decoding="async" @pointerenter="computeTitle" @click="onClick"/>
+<img v-else-if="!useOsNativeEmojis" :class="$style.root" :src="url" :alt="props.emoji" decoding="async" @pointerenter="computeTitle" @click="onClick"/>
 <span v-else :alt="props.emoji" @pointerenter="computeTitle" @click="onClick">{{ colorizedNativeEmoji }}</span>
 </template>
 
@@ -23,6 +24,7 @@ const props = defineProps<{
 	emoji: string;
 	menu?: boolean;
 	menuReaction?: boolean;
+	ignoreMuted?: boolean;
 }>();
 
 const react = inject(DI.mfmEmojiReactCallback, null);
@@ -32,12 +34,46 @@ const char2path = prefer.s.emojiStyle === 'twemoji' ? char2twemojiFilePath : cha
 const useOsNativeEmojis = computed(() => prefer.s.emojiStyle === 'native');
 const url = computed(() => char2path(props.emoji));
 const colorizedNativeEmoji = computed(() => colorizeEmoji(props.emoji));
+const isMuted = computed(() => prefer.r.mutingEmojis.value.includes(props.emoji));
+const shouldMute = computed(() => isMuted.value && !props.ignoreMuted);
 
 // Searching from an array with 2000 items for every emoji felt like too energy-consuming, so I decided to do it lazily on pointerenter
 function computeTitle(event: PointerEvent): void {
 	(event.target as HTMLElement).title = getEmojiName(props.emoji);
 }
 
+function mute() {
+	os.confirm({
+		type: 'question',
+		title: i18n.tsx.muteX({ x: props.emoji }),
+	}).then(({ canceled }) => {
+		if (canceled) {
+			return;
+		}
+		const mutedEmojis = prefer.r.mutingEmojis.value;
+		if (!mutedEmojis.includes(props.emoji)) {
+			prefer.commit('mutingEmojis', [...mutedEmojis, props.emoji]);
+		}
+	});
+}
+
+function unmute() {
+	os.confirm({
+		type: 'question',
+		title: i18n.tsx.unmuteX({ x: props.emoji }),
+	}).then(({ canceled }) => {
+		if (canceled) {
+			return;
+		}
+		const mutedEmojis = prefer.r.mutingEmojis.value;
+		const index = mutedEmojis.indexOf(props.emoji);
+		if (index !== -1) {
+			mutedEmojis.splice(index, 1);
+			prefer.commit('mutingEmojis', mutedEmojis);
+		}
+	});
+}
+
 function onClick(ev: MouseEvent) {
 	if (props.menu) {
 		const menuItems: MenuItem[] = [];
@@ -63,6 +99,22 @@ function onClick(ev: MouseEvent) {
 			});
 		}
 
+		menuItems.push({
+			type: 'divider',
+		}, isMuted.value ? {
+			text: i18n.ts.unmute,
+			icon: 'ti ti-mood-smile',
+			action: () => {
+				unmute();
+			},
+		} : {
+			text: i18n.ts.mute,
+			icon: 'ti ti-mood-off',
+			action: () => {
+				mute();
+			},
+		});
+
 		os.popupMenu(menuItems, ev.currentTarget ?? ev.target);
 	}
 }
diff --git a/packages/frontend/src/components/global/MkMfm.ts b/packages/frontend/src/components/global/MkMfm.ts
index 337e326ccd..3ad2fda0ee 100644
--- a/packages/frontend/src/components/global/MkMfm.ts
+++ b/packages/frontend/src/components/global/MkMfm.ts
@@ -435,6 +435,8 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 							normal: props.plain,
 							host: props.author.host,
 							useOriginalSize: scale >= 2.5,
+							menu: props.enableEmojiMenu,
+							menuReaction: false,
 						})];
 					}
 				}
diff --git a/packages/frontend/src/pages/settings/mute-block.emoji-mute.vue b/packages/frontend/src/pages/settings/mute-block.emoji-mute.vue
new file mode 100644
index 0000000000..1aecefbdff
--- /dev/null
+++ b/packages/frontend/src/pages/settings/mute-block.emoji-mute.vue
@@ -0,0 +1,135 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="$style.emojis">
+	<div v-for="emoji in emojis" :key="`emojiMute-${emoji}`" :class="$style.emoji" @click="onEmojiClick($event, emoji)">
+		<MkCustomEmoji
+			v-if="emoji.startsWith(':')"
+			:name="customEmojiName(emoji)"
+			:host="customEmojiHost(emoji)"
+			:normal="true"
+			:menu="false"
+			:menuReaction="false"
+			:ignoreMuted="true"
+		/>
+		<MkEmoji
+			v-else
+			:emoji="emoji"
+			:menu="false"
+			:menuReaction="false"
+			:ignoreMuted="true"
+		></MkEmoji>
+	</div>
+</div>
+
+<MkButton primary inline @click="add"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
+</template>
+
+<script lang="ts" setup>
+import type { MenuItem } from '@/types/menu';
+import MkButton from '@/components/MkButton.vue';
+import * as os from '@/os.js';
+import { i18n } from '@/i18n.js';
+import { prefer } from '@/preferences.js';
+
+const emojis = prefer.model('mutingEmojis');
+
+function customEmojiName (name:string) {
+	return (name[0] === ':' ? name.substring(1, name.length - 1) : name).replace('@.', '').split('@')[0];
+}
+
+function customEmojiHost (name:string) {
+	// nameは:emojiName@host:の形式
+	// 取り出したい部分はhostなので、@以降を取り出す
+	const index = name.indexOf('@');
+	if (index === -1) {
+		return null;
+	}
+	return name.substring(index + 1, name.length - 1);
+}
+
+function getHTMLElement(ev: MouseEvent): HTMLElement {
+	const target = ev.currentTarget ?? ev.target;
+	return target as HTMLElement;
+}
+
+function mute(emoji: string) {
+	const emojiCodeToMute = emoji.startsWith(':') ? emoji : `:${emoji}:`;
+	os.confirm({
+		type: 'question',
+		title: i18n.tsx.muteX({ x: emojiCodeToMute }),
+	}).then(({ canceled }) => {
+		if (canceled) {
+			return;
+		}
+		const mutedEmojis = prefer.r.mutingEmojis.value;
+		if (!mutedEmojis.includes(emojiCodeToMute)) {
+			prefer.commit('mutingEmojis', [...mutedEmojis, emojiCodeToMute]);
+		}
+	});
+}
+
+function add(ev: MouseEvent) {
+	os.pickEmoji(getHTMLElement(ev), { showPinned: false }).then((emoji) => {
+		if (emoji) {
+			const mutedEmojis = prefer.r.mutingEmojis.value;
+			if (!mutedEmojis.includes(emoji)) {
+				prefer.commit('mutingEmojis', [...mutedEmojis, emoji]);
+			}
+		}
+	});
+}
+
+function onEmojiClick(ev: MouseEvent, emoji: string) {
+	const menuItems : MenuItem[] = [{
+		type: 'label',
+		text: emoji,
+	}, {
+		text: i18n.ts.unmute,
+		icon: 'ti ti-mood-off',
+		action: () => unmute(emoji),
+	}];
+	os.popupMenu(menuItems, ev.currentTarget ?? ev.target);
+}
+
+function unmute(emoji: string) {
+	os.confirm({
+		type: 'question',
+		title: i18n.tsx.unmuteX({ x: emoji }),
+	}).then(({ canceled }) => {
+		if (canceled) {
+			return;
+		}
+		const mutedEmojis = prefer.r.mutingEmojis.value;
+		if (mutedEmojis.includes(emoji)) {
+			prefer.commit('mutingEmojis', mutedEmojis.filter((e) => e !== emoji));
+		}
+	});
+}
+</script>
+<style module>
+.emojis {
+	display: flex;
+	flex-wrap: wrap;
+	align-items: center;
+	gap: 4px;
+
+	&:empty {
+		display: none;
+	}
+}
+
+.emoji {
+	display: inline-flex;
+	height: 42px;
+	padding: 0 6px;
+	font-size: 1.5em;
+	border-radius: 6px;
+	align-items: center;
+	justify-content: center;
+	background: var(--MI_THEME-buttonBg);
+}
+</style>
diff --git a/packages/frontend/src/pages/settings/mute-block.vue b/packages/frontend/src/pages/settings/mute-block.vue
index fc9cd8f892..3a7718ee3e 100644
--- a/packages/frontend/src/pages/settings/mute-block.vue
+++ b/packages/frontend/src/pages/settings/mute-block.vue
@@ -49,6 +49,20 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</MkFolder>
 			</SearchMarker>
 
+			<SearchMarker
+				:label="i18n.ts.emojiMute"
+				:keywords="['emoji', 'mute', 'hide']"
+			>
+				<MkFolder>
+					<template #icon><i class="ti ti-mood-off"></i></template>
+					<template #label>{{ i18n.ts.emojiMute }}</template>
+
+					<div class="_gaps_m">
+						<XEmojiMute/>
+					</div>
+				</mkfolder>
+			</SearchMarker>
+
 			<SearchMarker
 				:label="i18n.ts.instanceMute"
 				:keywords="['note', 'server', 'instance', 'host', 'federation', 'mute', 'hide']"
@@ -178,6 +192,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { ref, computed, watch } from 'vue';
+import XEmojiMute from './mute-block.emoji-mute.vue';
 import XInstanceMute from './mute-block.instance-mute.vue';
 import XWordMute from './mute-block.word-mute.vue';
 import MkPagination from '@/components/MkPagination.vue';
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index 96f43bb2f6..56fa09ae27 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -342,6 +342,9 @@ export const PREF_DEF = {
 	plugins: {
 		default: [] as Plugin[],
 	},
+	mutingEmojis: {
+		default: [] as string[],
+	},
 
 	'sound.masterVolume': {
 		default: 0.3,