diff --git a/plugins/woocommerce/includes/tracks/class-wc-site-tracking.php b/plugins/woocommerce/includes/tracks/class-wc-site-tracking.php
index e924d250448..d2bb5297688 100644
--- a/plugins/woocommerce/includes/tracks/class-wc-site-tracking.php
+++ b/plugins/woocommerce/includes/tracks/class-wc-site-tracking.php
@@ -161,6 +161,7 @@ class WC_Site_Tracking {
 		include_once WC_ABSPATH . 'includes/tracks/events/class-wc-coupons-tracking.php';
 		include_once WC_ABSPATH . 'includes/tracks/events/class-wc-order-tracking.php';
 		include_once WC_ABSPATH . 'includes/tracks/events/class-wc-coupon-tracking.php';
+		include_once WC_ABSPATH . 'includes/tracks/events/class-wc-theme-tracking.php';
 
 		$tracking_classes = array(
 			'WC_Extensions_Tracking',
@@ -172,6 +173,7 @@ class WC_Site_Tracking {
 			'WC_Coupons_Tracking',
 			'WC_Order_Tracking',
 			'WC_Coupon_Tracking',
+			'WC_Theme_Tracking',
 		);
 
 		foreach ( $tracking_classes as $tracking_class ) {
diff --git a/plugins/woocommerce/includes/tracks/events/class-wc-theme-tracking.php b/plugins/woocommerce/includes/tracks/events/class-wc-theme-tracking.php
new file mode 100644
index 00000000000..c1916fd3723
--- /dev/null
+++ b/plugins/woocommerce/includes/tracks/events/class-wc-theme-tracking.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * WooCommerce Theme Tracking
+ *
+ * @package WooCommerce\Tracks
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * This class adds actions to track usage of a WooCommerce Order.
+ */
+class WC_Theme_Tracking {
+
+	/**
+	 * Init tracking.
+	 */
+	public function init() {
+		add_action( 'switch_theme', array( $this, 'track_theme_activated' ) );
+	}
+
+	/**
+	 * Send a Tracks event when a theme is activated so that we can track active block themes.
+	 */
+	public function track_theme_activated() {
+		if ( ! function_exists( 'wc_current_theme_is_fse_theme' ) ) {
+			return;
+		}
+
+		$properties = array(
+			'block_theme' => wc_current_theme_is_fse_theme(),
+		);
+
+		WC_Tracks::record_event( 'theme_activated', $properties );
+	}
+}
+