diff --git a/changelog/add-8242-payment-overview-widget-feature-flag b/changelog/add-8242-payment-overview-widget-feature-flag
new file mode 100644
index 00000000000..a580fffcbee
--- /dev/null
+++ b/changelog/add-8242-payment-overview-widget-feature-flag
@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+Implement a feature flag for the Payment Overview widget.
diff --git a/client/globals.d.ts b/client/globals.d.ts
index c948b2aa3b6..601ad52188f 100644
--- a/client/globals.d.ts
+++ b/client/globals.d.ts
@@ -17,6 +17,7 @@ declare global {
 			isAuthAndCaptureEnabled: boolean;
 			paymentTimeline: boolean;
 			isDisputeIssuerEvidenceEnabled: boolean;
+			isPaymentOverviewWidgetEnabled?: boolean;
 		};
 		fraudServices: unknown[];
 		testMode: boolean;
diff --git a/includes/class-wc-payments-features.php b/includes/class-wc-payments-features.php
index 57dbad4a32f..b1b474b2cdb 100644
--- a/includes/class-wc-payments-features.php
+++ b/includes/class-wc-payments-features.php
@@ -24,6 +24,7 @@ class WC_Payments_Features {
 	const PAY_FOR_ORDER_FLOW                = '_wcpay_feature_pay_for_order_flow';
 	const DISPUTE_ISSUER_EVIDENCE           = '_wcpay_feature_dispute_issuer_evidence';
 	const STREAMLINE_REFUNDS_FLAG_NAME      = '_wcpay_feature_streamline_refunds';
+	const PAYMENT_OVERVIEW_WIDGET_FLAG_NAME = '_wcpay_feature_payment_overview_widget';
 
 	/**
 	 * Indicates whether card payments are enabled for this (Stripe) account.
@@ -256,6 +257,15 @@ public static function is_woopay_first_party_auth_enabled() {
 		return '1' === get_option( self::WOOPAY_FIRST_PARTY_AUTH_FLAG_NAME, '1' ) && self::is_woopay_express_checkout_enabled();
 	}
 
+	/**
+	 * Checks whether Payment Overview Widget is enabled.
+	 *
+	 * @return bool
+	 */
+	public static function is_payment_overview_widget_ui_enabled(): bool {
+		return '1' === get_option( self::PAYMENT_OVERVIEW_WIDGET_FLAG_NAME, '0' );
+	}
+
 	/**
 	 * Checks whether WooPay Direct Checkout is enabled.
 	 *
@@ -385,6 +395,7 @@ public static function to_array() {
 				'isPayForOrderFlowEnabled'       => self::is_pay_for_order_flow_enabled(),
 				'isDisputeIssuerEvidenceEnabled' => self::is_dispute_issuer_evidence_enabled(),
 				'isRefundControlsEnabled'        => self::is_streamline_refunds_enabled(),
+				'isPaymentOverviewWidgetEnabled' => self::is_payment_overview_widget_ui_enabled(),
 			]
 		);
 	}