diff --git a/packages/@aws-cdk/core/lib/stack-synthesizers/default-synthesizer.ts b/packages/@aws-cdk/core/lib/stack-synthesizers/default-synthesizer.ts
index aae69e36ef24e..d8e1f8818abc4 100644
--- a/packages/@aws-cdk/core/lib/stack-synthesizers/default-synthesizer.ts
+++ b/packages/@aws-cdk/core/lib/stack-synthesizers/default-synthesizer.ts
@@ -168,11 +168,20 @@ export interface DefaultStackSynthesizerProps {
   /**
    * bucketPrefix to use while storing S3 Assets
    *
-   *
    * @default - DefaultStackSynthesizer.DEFAULT_FILE_ASSET_PREFIX
    */
   readonly bucketPrefix?: string;
 
+  /**
+   * A prefix to use while tagging and uploading Docker images to ECR.
+   *
+   * This does not add any separators - the source hash will be appended to
+   * this string directly.
+   *
+   * @default - DefaultStackSynthesizer.DEFAULT_DOCKER_ASSET_PREFIX
+   */
+  readonly dockerTagPrefix?: string;
+
   /**
    * Bootstrap stack version SSM parameter.
    *
@@ -242,6 +251,10 @@ export class DefaultStackSynthesizer extends StackSynthesizer {
    * Default file asset prefix
    */
   public static readonly DEFAULT_FILE_ASSET_PREFIX = '';
+  /**
+   * Default Docker asset prefix
+   */
+  public static readonly DEFAULT_DOCKER_ASSET_PREFIX = '';
 
   /**
    * Default bootstrap stack version SSM parameter.
@@ -258,6 +271,7 @@ export class DefaultStackSynthesizer extends StackSynthesizer {
   private lookupRoleArn?: string;
   private qualifier?: string;
   private bucketPrefix?: string;
+  private dockerTagPrefix?: string;
   private bootstrapStackVersionSsmParameter?: string;
 
   private readonly files: NonNullable<cxschema.AssetManifest['files']> = {};
@@ -319,6 +333,7 @@ export class DefaultStackSynthesizer extends StackSynthesizer {
     this.imageAssetPublishingRoleArn = specialize(this.props.imageAssetPublishingRoleArn ?? DefaultStackSynthesizer.DEFAULT_IMAGE_ASSET_PUBLISHING_ROLE_ARN);
     this.lookupRoleArn = specialize(this.props.lookupRoleArn ?? DefaultStackSynthesizer.DEFAULT_LOOKUP_ROLE_ARN);
     this.bucketPrefix = specialize(this.props.bucketPrefix ?? DefaultStackSynthesizer.DEFAULT_FILE_ASSET_PREFIX);
+    this.dockerTagPrefix = specialize(this.props.dockerTagPrefix ?? DefaultStackSynthesizer.DEFAULT_DOCKER_ASSET_PREFIX);
     this.bootstrapStackVersionSsmParameter = replaceAll(
       this.props.bootstrapStackVersionSsmParameter ?? DefaultStackSynthesizer.DEFAULT_BOOTSTRAP_STACK_VERSION_SSM_PARAMETER,
       '${Qualifier}',
@@ -372,7 +387,7 @@ export class DefaultStackSynthesizer extends StackSynthesizer {
     assertBound(this.repositoryName);
     validateDockerImageAssetSource(asset);
 
-    const imageTag = asset.sourceHash;
+    const imageTag = this.dockerTagPrefix + asset.sourceHash;
 
     // Add to manifest
     this.dockerImages[asset.sourceHash] = {
diff --git a/packages/@aws-cdk/core/test/stack-synthesis/new-style-synthesis.test.ts b/packages/@aws-cdk/core/test/stack-synthesis/new-style-synthesis.test.ts
index 3a8d8c1e60b31..80303a4bbcf22 100644
--- a/packages/@aws-cdk/core/test/stack-synthesis/new-style-synthesis.test.ts
+++ b/packages/@aws-cdk/core/test/stack-synthesis/new-style-synthesis.test.ts
@@ -337,6 +337,30 @@ describe('new style synthesis', () => {
 
   });
 
+  test('synthesis with dockerPrefix', () => {
+    // GIVEN
+    const myapp = new App();
+
+    // WHEN
+    const mystack = new Stack(myapp, 'mystack-dockerPrefix', {
+      synthesizer: new DefaultStackSynthesizer({
+        dockerTagPrefix: 'test-prefix-',
+      }),
+    });
+
+    mystack.synthesizer.addDockerImageAsset({
+      directoryName: 'some-folder',
+      sourceHash: 'docker-asset-hash',
+    });
+
+    const asm = myapp.synth();
+
+    // THEN
+    const manifest = readAssetManifest(getAssetManifest(asm));
+    const imageTag = manifest.dockerImages?.['docker-asset-hash']?.destinations?.['current_account-current_region'].imageTag;
+    expect(imageTag).toEqual('test-prefix-docker-asset-hash');
+  });
+
   test('cannot use same synthesizer for multiple stacks', () => {
     // GIVEN
     const synthesizer = new DefaultStackSynthesizer();