diff --git a/app/scripts/modules/core/src/help/help.contents.ts b/app/scripts/modules/core/src/help/help.contents.ts
index 55a9dcd48b2..dc2b87d4435 100644
--- a/app/scripts/modules/core/src/help/help.contents.ts
+++ b/app/scripts/modules/core/src/help/help.contents.ts
@@ -117,6 +117,10 @@ module(HELP_CONTENTS, [])
         <p>The GCS object name, in the form <code>gs://bucket/path/to/file.yml</code>.</p>`,
     'pipeline.config.expectedArtifact.defaultGcs.reference': `
         <p>The GCS object name, <i>optionally</i> appending the version. An example: <code>gs://bucket/file.yml#123948581</code></p>`,
+    'pipeline.config.expectedArtifact.s3.name': `
+        <p>The S3 object name, in the form <code>s3://bucket/path/to/file.yml</code>.</p>`,
+    'pipeline.config.expectedArtifact.defaultS3.reference': `
+        <p>The S3 object name, <i>optionally</i> appending the version. An example: <code>s3://bucket/file.yml#123948581</code></p>`,
     'pipeline.config.expectedArtifact.docker.name': `
         <p>The Docker image name you want to trigger on changes to. By default, this does <i>not</i> include the image tag or digest, only the registry and image repository.</p>`,
     'pipeline.config.expectedArtifact.defaultDocker.reference': `
diff --git a/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/artifact.module.ts b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/artifact.module.ts
index e47c3385d34..02e9cd7552a 100644
--- a/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/artifact.module.ts
+++ b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/artifact.module.ts
@@ -11,6 +11,8 @@ import { ARTIFACT } from './artifact.component';
 import { GITHUB_ARTIFACT } from 'core/pipeline/config/triggers/artifacts/github/github.artifact';
 import { BASE64_ARTIFACT } from 'core/pipeline/config/triggers/artifacts/base64/base64.artifact';
 import { DEFAULT_BASE64_ARTIFACT } from 'core/pipeline/config/triggers/artifacts/base64/defaultBase64.artifact';
+import { S3_ARTIFACT } from 'core/pipeline/config/triggers/artifacts/s3/s3.artifact';
+import { DEFAULT_S3_ARTIFACT } from 'core/pipeline/config/triggers/artifacts/s3/defaultS3.artifact';
 
 export const ARTIFACT_MODULE = 'spinnaker.core.pipeline.config.trigger.artifacts';
 
@@ -21,6 +23,8 @@ module(ARTIFACT_MODULE, [
   GITHUB_ARTIFACT,
   DOCKER_ARTIFACT,
   BASE64_ARTIFACT,
+  S3_ARTIFACT,
+  DEFAULT_S3_ARTIFACT,
   DEFAULT_DOCKER_ARTIFACT,
   DEFAULT_GCS_ARTIFACT,
   DEFAULT_GITHUB_ARTIFACT,
diff --git a/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/defaultS3.artifact.ts b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/defaultS3.artifact.ts
new file mode 100644
index 00000000000..4d14180bc99
--- /dev/null
+++ b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/defaultS3.artifact.ts
@@ -0,0 +1,58 @@
+import { module } from 'angular';
+
+import { PIPELINE_CONFIG_PROVIDER } from 'core/pipeline/config/pipelineConfigProvider';
+import { IArtifact } from 'core/domain/IArtifact';
+import { PipelineConfigProvider } from 'core/pipeline';
+import { isNil } from 'lodash';
+
+export const DEFAULT_S3_ARTIFACT = 'spinnaker.core.pipeline.trigger.artifact.defaultS3';
+module(DEFAULT_S3_ARTIFACT, [
+  PIPELINE_CONFIG_PROVIDER,
+]).config((pipelineConfigProvider: PipelineConfigProvider) => {
+  pipelineConfigProvider.registerArtifactKind({
+    label: 'S3',
+    description: 'A S3 object.',
+    key: 'default.s3',
+    isDefault: true,
+    isMatch: false,
+    controller(artifact: IArtifact) {
+      'ngInject';
+      this.artifact = artifact;
+      this.artifact.type = 's3/object';
+
+      this.onReferenceChange = () => {
+        const ref = this.artifact.reference;
+        if (isNil(ref)) {
+          return;
+        }
+
+        if (ref.indexOf('#') >= 0) {
+          const split = ref.split('#');
+          this.artifact.name = split[0];
+          this.artifact.version = split[1];
+        } else {
+          this.artifact.name = ref;
+        }
+      };
+    },
+    controllerAs: 'ctrl',
+    template: `
+<div class="col-md-12">
+  <div class="form-group row">
+    <label class="col-md-2 sm-label-right">
+      Object path
+      <help-field key="pipeline.config.expectedArtifact.defaultS3.reference"></help-field>
+    </label>
+    <div class="col-md-8">
+      <input type="text"
+             placeholder="s3://bucket/path/to/file"
+             class="form-control input-sm"
+             ng-change="ctrl.onReferenceChange()"
+             ng-model="ctrl.artifact.reference"/>
+    </div>
+  </div>
+</div>
+`,
+  });
+});
+
diff --git a/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/s3.artifact.ts b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/s3.artifact.ts
new file mode 100644
index 00000000000..b0063a1af36
--- /dev/null
+++ b/app/scripts/modules/core/src/pipeline/config/triggers/artifacts/s3/s3.artifact.ts
@@ -0,0 +1,41 @@
+import { module } from 'angular';
+
+import { PIPELINE_CONFIG_PROVIDER } from 'core/pipeline/config/pipelineConfigProvider';
+import { IArtifact } from 'core/domain/IArtifact';
+import { PipelineConfigProvider } from 'core/pipeline';
+
+export const S3_ARTIFACT = 'spinnaker.core.pipeline.trigger.s3.artifact';
+module(S3_ARTIFACT, [
+  PIPELINE_CONFIG_PROVIDER,
+]).config((pipelineConfigProvider: PipelineConfigProvider) => {
+  pipelineConfigProvider.registerArtifactKind({
+    label: 'S3',
+    description: 'An S3 object.',
+    key: 's3',
+    isDefault: false,
+    isMatch: true,
+    controller(artifact: IArtifact) {
+      'ngInject';
+      this.artifact = artifact;
+      this.artifact.type = 's3/object';
+    },
+    controllerAs: 'ctrl',
+    template: `
+<div class="col-md-12">
+  <div class="form-group row">
+    <label class="col-md-2 sm-label-right">
+      Object path
+      <help-field key="pipeline.config.expectedArtifact.s3.name"></help-field>
+    </label>
+    <div class="col-md-8">
+      <input type="text"
+             placeholder="s3://bucket/path/to/file"
+             class="form-control input-sm"
+             ng-model="ctrl.artifact.name"/>
+    </div>
+  </div>
+</div>
+`,
+  });
+});
+