diff --git a/doc/administration/audit_event_types.md b/doc/administration/audit_event_types.md
index e779518eb06268508c96e0624d856217ba91469f..ca7d1e1643fadb124e050ad42e49430cf63fa764 100644
--- a/doc/administration/audit_event_types.md
+++ b/doc/administration/audit_event_types.md
@@ -189,6 +189,8 @@ Audit event types belong to the following product categories.
 | [`deploy_token_creation_failed`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/89391) | Audit event triggered when deploy token fails to create| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.1](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Project |
 | [`deploy_token_destroyed`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/89391) | Audit event triggered when deploy token is destroyed| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.1](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Project |
 | [`deploy_token_revoked`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/89391) | Triggered when project deploy token is revoked| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.1](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Project |
+| [`deployment_approved`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153375) | Triggered when a deployment is approved| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [17.1](https://gitlab.com/gitlab-org/gitlab/-/issues/456685) | Project |
+| [`deployment_rejected`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153375) | Triggered when a deployment is rejected| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [17.1](https://gitlab.com/gitlab-org/gitlab/-/issues/456685) | Project |
 | [`group_deploy_token_created`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/93091) | Audit event triggered when a groups deploy token is created| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.3](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Group |
 | [`group_deploy_token_creation_failed`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/93091) | Audit event triggered when a groups deploy token fails to create| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.3](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Group |
 | [`group_deploy_token_destroyed`](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/93091) | Audit event triggered when group deploy token is destroyed| **{check-circle}** Yes | **{check-circle}** Yes | GitLab [15.3](https://gitlab.com/gitlab-org/gitlab/-/issues/363087) | Group |
diff --git a/ee/app/services/deployments/approval_service.rb b/ee/app/services/deployments/approval_service.rb
index 2c23832a856fb7e563221a4c69cd50e31d5f5b66..069a7061332b1f7bd23b4f9feeaa46e0c6e64e92 100644
--- a/ee/app/services/deployments/approval_service.rb
+++ b/ee/app/services/deployments/approval_service.rb
@@ -17,6 +17,8 @@ def execute(deployment, status)
       approval = upsert_approval(deployment, status, params[:comment])
       return error(approval.errors.full_messages) if approval.errors.any?
 
+      create_audit_event(deployment, approval)
+
       process_build!(deployment, approval)
 
       deployment.invalidate_cache
@@ -41,6 +43,21 @@ def upsert_approval(deployment, status, comment)
       end
     end
 
+    def create_audit_event(deployment, approval)
+      audit_context = {
+        name: "deployment_#{approval.status}",
+        author: current_user,
+        scope: deployment.project,
+        target: deployment.environment,
+        message: "#{approval.status.capitalize} deployment with IID: #{deployment.iid} and ID: #{deployment.id}",
+        additional_details: {
+          comment: approval.comment
+        }
+      }
+
+      ::Gitlab::Audit::Auditor.audit(audit_context)
+    end
+
     def process_build!(deployment, approval)
       return unless deployment.deployable
 
diff --git a/ee/config/audit_events/types/deployment_approved.yml b/ee/config/audit_events/types/deployment_approved.yml
new file mode 100644
index 0000000000000000000000000000000000000000..6372ec35e3f35e8280ff9a1be23e74254dc0b04e
--- /dev/null
+++ b/ee/config/audit_events/types/deployment_approved.yml
@@ -0,0 +1,10 @@
+---
+name: deployment_approved
+description: Triggered when a deployment is approved
+introduced_by_issue: https://gitlab.com/gitlab-org/gitlab/-/issues/456685
+introduced_by_mr: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153375
+feature_category: continuous_delivery
+milestone: '17.1'
+saved_to_database: true
+streamed: true
+scope: [Project]
diff --git a/ee/config/audit_events/types/deployment_rejected.yml b/ee/config/audit_events/types/deployment_rejected.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c8d1f7a3421178e1f13047b345040a9d9f937e6d
--- /dev/null
+++ b/ee/config/audit_events/types/deployment_rejected.yml
@@ -0,0 +1,10 @@
+---
+name: deployment_rejected
+description: Triggered when a deployment is rejected
+introduced_by_issue: https://gitlab.com/gitlab-org/gitlab/-/issues/456685
+introduced_by_mr: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153375
+feature_category: continuous_delivery
+milestone: '17.1'
+saved_to_database: true
+streamed: true
+scope: [Project]
diff --git a/ee/spec/services/deployments/approval_service_spec.rb b/ee/spec/services/deployments/approval_service_spec.rb
index a784ab6c03154fd678148627bf76ccbf7dd97f4c..eeff7a7d4b5a6c4925cc0b2544358849299f159f 100644
--- a/ee/spec/services/deployments/approval_service_spec.rb
+++ b/ee/spec/services/deployments/approval_service_spec.rb
@@ -106,6 +106,25 @@
     end
   end
 
+  shared_examples_for 'audit event' do
+    let(:comment) { 'LGTM!' }
+
+    it 'creates an audit event' do
+      expect(Gitlab::Audit::Auditor).to receive(:audit).with({
+        name: "deployment_#{status}",
+        author: user,
+        scope: project,
+        target: environment,
+        message: "#{status.capitalize} deployment with IID: #{deployment.iid} and ID: #{deployment.id}",
+        additional_details: {
+          comment: comment
+        }
+      })
+
+      subject
+    end
+  end
+
   describe '#execute' do
     subject { service.execute(deployment, status) }
 
@@ -113,6 +132,7 @@
       include_examples 'approve'
       include_examples 'comment'
       include_examples 'set approval rule'
+      include_examples 'audit event'
     end
 
     context 'when status is rejected' do
@@ -121,6 +141,7 @@
       include_examples 'reject'
       include_examples 'comment'
       include_examples 'set approval rule'
+      include_examples 'audit event'
     end
 
     context 'when user approves for different groups' do