diff --git a/packages/@aws-cdk/aws-lambda/lib/function.ts b/packages/@aws-cdk/aws-lambda/lib/function.ts
index fffd20decd8d9..c749e7950d42d 100644
--- a/packages/@aws-cdk/aws-lambda/lib/function.ts
+++ b/packages/@aws-cdk/aws-lambda/lib/function.ts
@@ -573,8 +573,13 @@ export class Function extends FunctionBase {
    */
   public readonly deadLetterQueue?: sqs.IQueue;
 
+  /**
+   * The architecture of this Lambda Function (this is an optional attribute and defaults to X86_64).
+   */
+  public readonly architecture?: Architecture;
   public readonly permissionsNode = this.node;
 
+
   protected readonly canCreatePermissions = true;
 
   private readonly layers: ILayerVersion[] = [];
@@ -721,6 +726,8 @@ export class Function extends FunctionBase {
 
     this.runtime = props.runtime;
 
+    this.architecture = props.architecture;
+
     if (props.layers) {
       if (props.runtime === Runtime.FROM_IMAGE) {
         throw new Error('Layers are not supported for container image functions');
diff --git a/packages/@aws-cdk/aws-lambda/test/function.test.ts b/packages/@aws-cdk/aws-lambda/test/function.test.ts
index 66d18e663e7f9..7a8ff6d1bed80 100644
--- a/packages/@aws-cdk/aws-lambda/test/function.test.ts
+++ b/packages/@aws-cdk/aws-lambda/test/function.test.ts
@@ -2226,7 +2226,16 @@ describe('function', () => {
       architectures: [lambda.Architecture.X86_64, lambda.Architecture.ARM_64],
     })).toThrow(/one architecture must be specified/);
   });
-
+  test('Architecture is properly readable from the function', () => {
+    const stack = new cdk.Stack();
+    const fn = new lambda.Function(stack, 'MyFunction', {
+      code: lambda.Code.fromInline('foo'),
+      runtime: lambda.Runtime.NODEJS_14_X,
+      handler: 'index.handler',
+      architecture: lambda.Architecture.ARM_64,
+    });
+    expect(fn.architecture?.name).toEqual('arm64');
+  });
 });
 
 function newTestLambda(scope: constructs.Construct) {