diff --git a/lib/modules/accountSwitcher.js b/lib/modules/accountSwitcher.js
index a989ae4284..89e0ad74ac 100644
--- a/lib/modules/accountSwitcher.js
+++ b/lib/modules/accountSwitcher.js
@@ -6,6 +6,7 @@ import {
 	Alert,
 	BodyClasses,
 	addFloater,
+	currentSubreddit,
 	formatDate,
 	formatDateDiff,
 	getUserInfo,
@@ -54,6 +55,25 @@ module.options = {
 		description: 'accountSwitcherAccountsDesc',
 		title: 'accountSwitcherAccountsTitle',
 	},
+	autoswitch: {
+		title: 'accountSwitcherAutoswitchTitle',
+		dependsOn: options => options.accounts.value !== 'undefined',
+		description: 'accountSwitcherAutoswitchDesc',
+		type: 'table',
+		addRowText: '+add subreddit',
+		fields: [{
+			key: 'account',
+			name: 'account',
+			type: 'select',
+			get values() { return autoswitchAccounts(); },
+			value: '',
+		}, {
+			key: 'subreddit',
+			name: 'subreddit',
+			type: 'text',
+		}],
+		value: ([]: Array<[string, string]>),
+	},
 	updateOtherTabs: {
 		type: 'boolean',
 		description: 'accountSwitcherUpdateOtherTabsDesc',
@@ -128,6 +148,30 @@ const accounts = once(() =>
 	}, {}),
 );
 
+const typedAccounts = once(() =>
+	module.options.accounts.value.reduce((acc, v) => {
+		acc[v[0]] = {
+			text: v[0],
+			storedPassword: v[1],
+			requiresOtp: v[2],
+		};
+		return acc;
+	}, {}),
+);
+
+const autoswitchAccounts = () => {
+	/* $FlowIgnore[1] */
+	let newObject;
+	// eslint-disable-next-line no-unused-vars
+	for (const k of Object.entries(typedAccounts())) {
+		newObject = Object.entries(typedAccounts()).map(([k]) => ({
+			name: k,
+			value: k,
+		}));
+	}
+	return newObject;
+};
+
 module.contentStart = () => {
 	const downArrow = module.options.dropDownStyle.value === 'alien' ?
 		string.html`<span id="RESAccountSwitcherIcon" role="button"></span>` :
@@ -164,6 +208,23 @@ module.contentStart = () => {
 			else manageAccounts();
 		},
 	);
+
+	if (module.options.autoswitch.value.length > 0) {
+		module.options.autoswitch.value.forEach(async (_e, i) => {
+			const subreddit = currentSubreddit();
+			const user = loggedInUser();
+			if (typeof module.options.autoswitch.value[i][0] !== 'undefined' && module.options.autoswitch.value[i][1] === subreddit && module.options.autoswitch.value[i][0] !== user) {
+				BodyClasses.add('res-accountSwitcher-in-progress');
+				try {
+					const username = module.options.autoswitch.value[i][0];
+					await switchTo(username.toLowerCase());
+				} catch (e) {
+					BodyClasses.remove('res-accountSwitcher-in-progress');
+					console.error(e);
+				}
+			}
+		});
+	}
 };
 
 async function createAccountMenu() {
diff --git a/locales/locales/en.json b/locales/locales/en.json
index ee83b04370..ec64d8a86d 100644
--- a/locales/locales/en.json
+++ b/locales/locales/en.json
@@ -1761,6 +1761,12 @@
 	"accountSwitcherAccountsDesc": {
 		"message": "Set your usernames and passwords below. They are only stored in RES preferences."
 	},
+	"accountSwitcherAutoswitchTitle": {
+		"message": "Autoswitch"
+	},
+	"accountSwitcherAutoswitchDesc": {
+		"message": "Automatically switch accounts based on subreddits"
+	},
 	"accountSwitcherUpdateOtherTabsTitle": {
 		"message": "Update Other Tabs"
 	},