diff --git a/locales/en-US.yml b/locales/en-US.yml
index 8163ca525b..958a37c272 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -1342,6 +1342,7 @@ inquiry: "Contact"
 tryAgain: "Please try again later"
 confirmWhenRevealingSensitiveMedia: "Confirm when revealing sensitive media"
 sensitiveMediaRevealConfirm: "This media might be sensitive. Are you sure you want to reveal it?"
+warnExternalUrl: "Show warning when opening external URLs"
 createdLists: "Created lists"
 createdAntennas: "Created antennas"
 severAllFollowRelations: "Break following relationships"
diff --git a/locales/index.d.ts b/locales/index.d.ts
index fcd64071af..56f4150592 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5385,6 +5385,10 @@ export interface Locale extends ILocale {
      * センシティブなメディアです。表示しますか？
      */
     "sensitiveMediaRevealConfirm": string;
+    /**
+     * 外部URLを開く際に警告を表示する
+     */
+    "warnExternalUrl": string;
     /**
      * 作成したリスト
      */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 7e39515c5c..11d788c210 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1342,6 +1342,7 @@ inquiry: "お問い合わせ"
 tryAgain: "もう一度お試しください。"
 confirmWhenRevealingSensitiveMedia: "センシティブなメディアを表示するとき確認する"
 sensitiveMediaRevealConfirm: "センシティブなメディアです。表示しますか？"
+warnExternalUrl: "外部URLを開く際に警告を表示する"
 createdLists: "作成したリスト"
 createdAntennas: "作成したアンテナ"
 severAllFollowRelations: "以下の関係をすべて断ち切る"
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 8cd1caf6bd..3caa635f7f 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -236,6 +236,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="enableHorizontalSwipe">{{ i18n.ts.enableHorizontalSwipe }}</MkSwitch>
 				<MkSwitch v-model="alwaysConfirmFollow">{{ i18n.ts.alwaysConfirmFollow }}</MkSwitch>
 				<MkSwitch v-model="confirmWhenRevealingSensitiveMedia">{{ i18n.ts.confirmWhenRevealingSensitiveMedia }}</MkSwitch>
+				<MkSwitch v-model="warnExternalUrl">{{ i18n.ts.warnExternalUrl }}</MkSwitch>
 			</div>
 			<MkSelect v-model="serverDisconnectedBehavior">
 				<template #label>{{ i18n.ts.whenServerDisconnected }}</template>
@@ -437,6 +438,7 @@ const useNativeUIForVideoAudioPlayer = computed(defaultStore.makeGetterSetter('u
 const alwaysConfirmFollow = computed(defaultStore.makeGetterSetter('alwaysConfirmFollow'));
 const confirmWhenRevealingSensitiveMedia = computed(defaultStore.makeGetterSetter('confirmWhenRevealingSensitiveMedia'));
 const contextMenu = computed(defaultStore.makeGetterSetter('contextMenu'));
+const warnExternalUrl = computed(defaultStore.makeGetterSetter('warnExternalUrl'));
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
@@ -498,6 +500,7 @@ watch([
 	alwaysConfirmFollow,
 	confirmWhenRevealingSensitiveMedia,
 	contextMenu,
+	warnExternalUrl,
 ], async () => {
 	await reloadAsk();
 });
diff --git a/packages/frontend/src/scripts/warning-external-website.ts b/packages/frontend/src/scripts/warning-external-website.ts
index 5ef003cb01..67158c6438 100644
--- a/packages/frontend/src/scripts/warning-external-website.ts
+++ b/packages/frontend/src/scripts/warning-external-website.ts
@@ -29,8 +29,9 @@ export async function warningExternalWebsite(url: string) {
 	});
 
 	const isTrustedByUser = defaultStore.reactiveState.trustedDomains.value.includes(domain);
+	const isDisabledByUser = !defaultStore.reactiveState.warnExternalUrl.value;
 
-	if (!isTrustedByInstance && !isTrustedByUser) {
+	if (!isTrustedByInstance && !isTrustedByUser && !isDisabledByUser) {
 		const confirm = await new Promise<{ canceled: boolean }>(resolve => {
 			const { dispose } = os.popup(MkUrlWarningDialog, {
 				url,
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index ab5fbf0dd1..8665cdaf76 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -169,6 +169,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'account',
 		default: [] as string[],
 	},
+	warnExternalUrl: {
+		where: 'account',
+		default: true,
+	},
 
 	menu: {
 		where: 'deviceAccount',