diff --git a/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job.go b/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job.go
index e3c1e220fd1..c7f2dbf66ce 100644
--- a/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job.go
+++ b/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job.go
@@ -32,6 +32,7 @@ func newJobCommand() *cobra.Command {
 	cmd.AddCommand(newJobListCommand())
 	cmd.AddCommand(newJobSubmitCommand())
 	cmd.AddCommand(newJobShowCommand())
+	cmd.AddCommand(newJobCancelCommand())
 
 	return cmd
 }
diff --git a/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job_cancel.go b/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job_cancel.go
new file mode 100644
index 00000000000..72b09912de3
--- /dev/null
+++ b/cli/azd/extensions/azure.ai.customtraining/internal/cmd/job_cancel.go
@@ -0,0 +1,78 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+package cmd
+
+import (
+	"fmt"
+
+	"azure.ai.customtraining/internal/utils"
+	"azure.ai.customtraining/pkg/client"
+
+	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
+	"github.com/azure/azure-dev/cli/azd/pkg/azdext"
+	"github.com/spf13/cobra"
+)
+
+func newJobCancelCommand() *cobra.Command {
+	var name string
+
+	cmd := &cobra.Command{
+		Use:   "cancel",
+		Short: "Cancel a running training job",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			ctx := azdext.WithAccessToken(cmd.Context())
+
+			if name == "" {
+				return fmt.Errorf("--name is required: provide the job name/ID to cancel")
+			}
+
+			azdClient, err := azdext.NewAzdClient()
+			if err != nil {
+				return fmt.Errorf("failed to create azd client: %w", err)
+			}
+			defer azdClient.Close()
+
+			envValues, err := utils.GetEnvironmentValues(ctx, azdClient)
+			if err != nil {
+				return fmt.Errorf("failed to get environment values: %w", err)
+			}
+
+			accountName := envValues[utils.EnvAzureAccountName]
+			projectName := envValues[utils.EnvAzureProjectName]
+			tenantID := envValues[utils.EnvAzureTenantID]
+
+			if accountName == "" || projectName == "" {
+				return fmt.Errorf("environment not configured. Run 'azd ai training init' first")
+			}
+
+			credential, err := azidentity.NewAzureDeveloperCLICredential(&azidentity.AzureDeveloperCLICredentialOptions{
+				TenantID:                   tenantID,
+				AdditionallyAllowedTenants: []string{"*"},
+			})
+			if err != nil {
+				return fmt.Errorf("failed to create azure credential: %w", err)
+			}
+
+			endpoint := buildProjectEndpoint(accountName, projectName)
+			apiClient, err := client.NewClient(endpoint, credential)
+			if err != nil {
+				return fmt.Errorf("failed to create API client: %w", err)
+			}
+
+			fmt.Printf("Cancelling job '%s'...\n", name)
+
+			if err := apiClient.CancelJob(ctx, name); err != nil {
+				return fmt.Errorf("failed to cancel job: %w", err)
+			}
+
+			fmt.Printf("✓ Job '%s' cancel request submitted successfully\n", name)
+			return nil
+		},
+	}
+
+	cmd.Flags().StringVar(&name, "name", "", "Job name/ID to cancel (required)")
+
+	return cmd
+}