diff --git a/projects/packages/jetpack-mu-wpcom/changelog/add-auto-open-upload-theme b/projects/packages/jetpack-mu-wpcom/changelog/add-auto-open-upload-theme
new file mode 100644
index 0000000000000..a2cc66580f2bc
--- /dev/null
+++ b/projects/packages/jetpack-mu-wpcom/changelog/add-auto-open-upload-theme
@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+Auto open Upload Theme dialog if query parameter is present
diff --git a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-themes/wpcom-themes.php b/projects/packages/jetpack-mu-wpcom/src/features/wpcom-themes/wpcom-themes.php
index d8d25b497f141..6d6ede007345a 100644
--- a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-themes/wpcom-themes.php
+++ b/projects/packages/jetpack-mu-wpcom/src/features/wpcom-themes/wpcom-themes.php
@@ -70,3 +70,22 @@ function wpcom_themes_add_theme_showcase_menu() {
 	);
 }
 add_action( 'admin_menu', 'wpcom_themes_add_theme_showcase_menu' );
+
+/**
+ * Automatically opens the "Upload Theme" dialog on the theme installation page based on a 'wpcom-upload' query parameter.
+ */
+function wpcom_auto_open_upload_theme() {
+	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	if ( isset( $_GET['wpcom-upload'] ) && $_GET['wpcom-upload'] === '1' ) {
+		if ( ! current_user_can( 'install_themes' ) ) {
+			return;
+		}
+		add_filter(
+			'admin_body_class',
+			function ( $classes ) {
+				return $classes . ' show-upload-view ';
+			}
+		);
+	}
+}
+add_action( 'load-theme-install.php', 'wpcom_auto_open_upload_theme' );