diff --git a/src/wp-includes/l10n.php b/src/wp-includes/l10n.php
index 038b9160499ce..f9fc550342264 100644
--- a/src/wp-includes/l10n.php
+++ b/src/wp-includes/l10n.php
@@ -111,6 +111,25 @@ function get_user_locale( $user = 0 ) {
 	return $locale ? $locale : get_locale();
 }
 
+/**
+ * Retrieves the locale of a user that is associated with the admin_email.
+ *
+ * If there is no user associated with the admin_email, defaults to the site_language
+ *
+ * @since 6.7.0
+ *
+ * @return string The locale of the admin.
+ */
+function get_admin_locale() {
+	$admin_email = get_option( 'admin_email' );
+	$admin_user  = get_user_by( 'email', $admin_email );
+	if ( $admin_user ) {
+		$locale = get_user_locale( $admin_user );
+	}
+
+	return $locale ? $locale : get_locale();
+}
+
 /**
  * Determines the current locale desired for the request.
  *
diff --git a/src/wp-includes/pluggable.php b/src/wp-includes/pluggable.php
index 5ed63e539cf66..390afa1b6bc3f 100644
--- a/src/wp-includes/pluggable.php
+++ b/src/wp-includes/pluggable.php
@@ -2063,6 +2063,9 @@ function wp_password_change_notification( $user ) {
 		 * but check to see if it's the admin whose password we're changing, and skip this.
 		 */
 		if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
+
+			$switched_locale = switch_to_locale( get_admin_locale() );
+
 			/* translators: %s: User name. */
 			$message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n";
 			/*
@@ -2103,6 +2106,10 @@ function wp_password_change_notification( $user ) {
 				$wp_password_change_notification_email['message'],
 				$wp_password_change_notification_email['headers']
 			);
+
+			if ( $switched_locale ) {
+				restore_previous_locale();
+			}
 		}
 	}
 endif;
@@ -2152,7 +2159,8 @@ function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' )
 		$send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user );
 
 		if ( 'user' !== $notify && true === $send_notification_to_admin ) {
-			$switched_locale = switch_to_locale( get_locale() );
+
+			$switched_locale = switch_to_locale( get_admin_locale() );
 
 			/* translators: %s: Site title. */
 			$message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";