diff --git a/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts b/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
index fe0a58b166..282deb16dc 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
@@ -26,6 +26,9 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 	@state()
 	private _appLanguage?: UmbLanguageDetailModel;
 
+	@state()
+	private _appLanguageIsReadOnly = false;
+
 	@state()
 	private _isOpen = false;
 
@@ -77,6 +80,10 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 		this.observe(this.#appLanguageContext.appLanguage, (language) => {
 			this._appLanguage = language;
 		});
+
+		this.observe(this.#appLanguageContext.appLanguageReadOnlyState.isReadOnly, (isReadOnly) => {
+			this._appLanguageIsReadOnly = isReadOnly;
+		});
 	}
 
 	async #observeLanguages() {
@@ -123,7 +130,11 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 
 	#renderTrigger() {
 		return html`<button id="toggle" popovertarget="dropdown-popover">
-			${this._appLanguage?.name} <uui-symbol-expand .open=${this._isOpen}></uui-symbol-expand>
+			<span
+				>${this._appLanguage?.name}
+				${this._appLanguageIsReadOnly ? this.#renderReadOnlyTag(this._appLanguage?.unique) : nothing}</span
+			>
+			<uui-symbol-expand .open=${this._isOpen}></uui-symbol-expand>
 		</button>`;
 	}
 
@@ -139,7 +150,7 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 							@click-label=${this.#onLabelClick}
 							data-unique=${ifDefined(language.unique)}
 							?active=${language.unique === this._appLanguage?.unique}>
-							${this.#renderReadOnlyTag(language.unique)}
+							${this.#isLanguageReadOnly(language.unique) ? this.#renderReadOnlyTag(language.unique) : nothing}
 						</uui-menu-item>
 					`,
 				)}
@@ -147,14 +158,14 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 		</uui-popover-container>`;
 	}
 
-	#isReadOnly(culture: string | null) {
+	#isLanguageReadOnly(culture?: string) {
 		if (!culture) return false;
 		return this._disallowedLanguages.find((language) => language.unique === culture) ? true : false;
 	}
 
-	#renderReadOnlyTag(culture?: string | null) {
+	#renderReadOnlyTag(culture?: string) {
 		if (!culture) return nothing;
-		return this.#isReadOnly(culture) ? html`<uui-tag slot="badge" look="secondary">Read-only</uui-tag>` : nothing;
+		return html`<uui-tag slot="badge" look="secondary">Read-only</uui-tag>`;
 	}
 
 	static override styles = [
diff --git a/src/Umbraco.Web.UI.Client/src/packages/language/global-contexts/app-language.context.ts b/src/Umbraco.Web.UI.Client/src/packages/language/global-contexts/app-language.context.ts
index 6a0d4b7d8b..270858b99b 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/language/global-contexts/app-language.context.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/language/global-contexts/app-language.context.ts
@@ -6,30 +6,34 @@ import type { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
 import { UmbContextBase } from '@umbraco-cms/backoffice/class-api';
 import type { UmbApi } from '@umbraco-cms/backoffice/extension-api';
 import { UMB_AUTH_CONTEXT } from '@umbraco-cms/backoffice/auth';
+import { UmbReadOnlyStateManager } from '@umbraco-cms/backoffice/utils';
+import { UMB_CURRENT_USER_CONTEXT } from '@umbraco-cms/backoffice/current-user';
 
 // TODO: Make a store for the App Languages.
 // TODO: Implement default language end-point, in progress at backend team, so we can avoid getting all languages.
 export class UmbAppLanguageContext extends UmbContextBase<UmbAppLanguageContext> implements UmbApi {
-	#languageCollectionRepository: UmbLanguageCollectionRepository;
 	#languages = new UmbArrayState<UmbLanguageDetailModel>([], (x) => x.unique);
-	moreThanOneLanguage = this.#languages.asObservablePart((x) => x.length > 1);
 
 	#appLanguage = new UmbObjectState<UmbLanguageDetailModel | undefined>(undefined);
-	appLanguage = this.#appLanguage.asObservable();
+	public readonly appLanguage = this.#appLanguage.asObservable();
+	public readonly appLanguageCulture = this.#appLanguage.asObservablePart((x) => x?.unique);
 
-	appLanguageCulture = this.#appLanguage.asObservablePart((x) => x?.unique);
+	public readonly appLanguageReadOnlyState = new UmbReadOnlyStateManager(this);
 
-	appDefaultLanguage = createObservablePart(this.#languages.asObservable(), (languages) =>
+	public readonly appDefaultLanguage = createObservablePart(this.#languages.asObservable(), (languages) =>
 		languages.find((language) => language.isDefault),
 	);
 
-	getAppCulture() {
-		return this.#appLanguage.getValue()?.unique;
-	}
+	public readonly moreThanOneLanguage = this.#languages.asObservablePart((x) => x.length > 1);
+
+	#languageCollectionRepository = new UmbLanguageCollectionRepository(this);
+	#currentUserAllowedLanguages: Array<string> = [];
+	#currentUserHasAccessToAllLanguages = false;
+
+	#readOnlyStateIdentifier = 'UMB_LANGUAGE_PERMISSION_';
 
 	constructor(host: UmbControllerHost) {
 		super(host, UMB_APP_LANGUAGE_CONTEXT);
-		this.#languageCollectionRepository = new UmbLanguageCollectionRepository(this);
 
 		// TODO: We need to ensure this request is called every time the user logs in, but this should be done somewhere across the app and not here [JOV]
 		this.consumeContext(UMB_AUTH_CONTEXT, (authContext) => {
@@ -38,12 +42,39 @@ export class UmbAppLanguageContext extends UmbContextBase<UmbAppLanguageContext>
 				this.#observeLanguages();
 			});
 		});
+
+		this.consumeContext(UMB_CURRENT_USER_CONTEXT, (context) => {
+			this.observe(context.languages, (languages) => {
+				this.#currentUserAllowedLanguages = languages || [];
+				this.#setIsReadOnly();
+			});
+
+			this.observe(context.hasAccessToAllLanguages, (hasAccessToAllLanguages) => {
+				this.#currentUserHasAccessToAllLanguages = hasAccessToAllLanguages || false;
+				this.#setIsReadOnly();
+			});
+		});
+	}
+
+	getAppCulture() {
+		return this.#appLanguage.getValue()?.unique;
 	}
 
 	setLanguage(unique: string) {
+		const appLanguage = this.#appLanguage.getValue();
+
+		// clear the previous read-only state
+		if (appLanguage?.unique) {
+			this.appLanguageReadOnlyState.removeState(this.#readOnlyStateIdentifier + appLanguage.unique);
+		}
+
+		// set the new language
 		const languages = this.#languages.getValue();
 		const language = languages.find((x) => x.unique === unique);
 		this.#appLanguage.update(language);
+
+		// set the new read-only state
+		this.#setIsReadOnly();
 	}
 
 	async #observeLanguages() {
@@ -67,6 +98,30 @@ export class UmbAppLanguageContext extends UmbContextBase<UmbAppLanguageContext>
 		// in that case do we then need an endpoint to get the default language?
 		if (!defaultLanguage?.unique) return;
 		this.setLanguage(defaultLanguage.unique);
+		this.#setIsReadOnly();
+	}
+
+	#setIsReadOnly() {
+		const appLanguage = this.#appLanguage.getValue();
+
+		if (!appLanguage) {
+			this.appLanguageReadOnlyState.clear();
+			return;
+		}
+
+		const unique = this.#readOnlyStateIdentifier + appLanguage.unique;
+		this.appLanguageReadOnlyState.removeState(unique);
+
+		const isReadOnly = !this.#currentUserAllowedLanguages.includes(appLanguage.unique);
+
+		if (isReadOnly) {
+			const readOnlyState = {
+				unique,
+				message: 'You do not have permission to edit to this culture',
+			};
+
+			this.appLanguageReadOnlyState.addState(readOnlyState);
+		}
 	}
 }