diff --git a/.changeset/calm-cows-fix.md b/.changeset/calm-cows-fix.md
new file mode 100644
index 00000000000..48924e7f743
--- /dev/null
+++ b/.changeset/calm-cows-fix.md
@@ -0,0 +1,5 @@
+---
+"@smithy/types": patch
+---
+
+Add `clientName` and `commandName` to `HandlerExecutionContext`
diff --git a/packages/types/src/middleware.ts b/packages/types/src/middleware.ts
index 833bdd0ca18..feedff23833 100644
--- a/packages/types/src/middleware.ts
+++ b/packages/types/src/middleware.ts
@@ -494,6 +494,16 @@ export interface HandlerExecutionContext {
    */
   logger?: Logger;
 
+  /**
+   * Name of the service the operation is being sent to.
+   */
+  clientName?: string;
+
+  /**
+   * Name of the operation being executed.
+   */
+  commandName?: string;
+
   /**
    * Additional user agent that inferred by middleware. It can be used to save
    * the internal user agent sections without overriding the `customUserAgent`