diff --git a/pkg/cmd/rename.go b/pkg/cmd/rename.go
new file mode 100644
index 0000000..f154355
--- /dev/null
+++ b/pkg/cmd/rename.go
@@ -0,0 +1,84 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/dedalus-labs/dedalus-cli/internal/apiquery"
+	"github.com/dedalus-labs/dedalus-go"
+	"github.com/dedalus-labs/dedalus-go/option"
+	"github.com/urfave/cli/v3"
+)
+
+type renameMachineResponse struct {
+	MachineID string `json:"machine_id"`
+	Name      string `json:"name"`
+}
+
+func init() {
+	Command.Commands = append(Command.Commands, &cli.Command{
+		Name:            "rename",
+		Usage:           "Rename a machine",
+		UsageText:       "dedalus rename <current> <new-name>",
+		Category:        "MACHINE",
+		Suggest:         true,
+		Action:          handleRename,
+		HideHelpCommand: true,
+	})
+}
+
+func handleRename(ctx context.Context, cmd *cli.Command) error {
+	args := cmd.Args().Slice()
+	if len(args) != 2 {
+		return fmt.Errorf("expected a current machine ID or name and a new name; usage: dedalus rename <current> <new-name>")
+	}
+	current, newName := args[0], args[1]
+
+	options, err := flagOptions(
+		cmd,
+		apiquery.NestedQueryFormatBrackets,
+		apiquery.ArrayQueryFormatRepeat,
+		ApplicationJSON,
+		false,
+	)
+	if err != nil {
+		return err
+	}
+
+	client := dedalus.NewClient(getDefaultRequestOptions(cmd)...)
+	result, err := renameMachine(ctx, &client, current, newName, options...)
+	if err != nil {
+		return err
+	}
+	acceptedName := result.Name
+	if acceptedName == "" {
+		acceptedName = newName
+	}
+
+	fmt.Printf("Successfully renamed %s to %s\nmachine-id: %s\n", current, acceptedName, result.MachineID)
+	return nil
+}
+
+func renameMachine(
+	ctx context.Context,
+	client *dedalus.Client,
+	current string,
+	newName string,
+	options ...option.RequestOption,
+) (*renameMachineResponse, error) {
+	var result renameMachineResponse
+	err := client.Execute(
+		ctx,
+		http.MethodPatch,
+		fmt.Sprintf("v1/machines/%s", url.PathEscape(current)),
+		map[string]string{"name": newName},
+		&result,
+		options...,
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}
diff --git a/pkg/cmd/rename_test.go b/pkg/cmd/rename_test.go
new file mode 100644
index 0000000..ab27c76
--- /dev/null
+++ b/pkg/cmd/rename_test.go
@@ -0,0 +1,55 @@
+package cmd
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/dedalus-labs/dedalus-go"
+	"github.com/dedalus-labs/dedalus-go/option"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRenameMachine(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
+		assert.Equal(t, http.MethodPatch, request.Method)
+		assert.Equal(t, "/v1/machines/hotel-california", request.URL.Path)
+
+		var body map[string]string
+		require.NoError(t, json.NewDecoder(request.Body).Decode(&body))
+		assert.Equal(t, map[string]string{"name": "breakfast"}, body)
+
+		response.Header().Set("Content-Type", "application/json")
+		_, _ = response.Write([]byte(`{"machine_id":"dm-0198abc123","name":"breakfast"}`))
+	}))
+	defer server.Close()
+
+	client := dedalus.NewClient(option.WithBaseURL(server.URL))
+	result, err := renameMachine(context.Background(), &client, "hotel-california", "breakfast")
+
+	require.NoError(t, err)
+	assert.Equal(t, "dm-0198abc123", result.MachineID)
+	assert.Equal(t, "breakfast", result.Name)
+}
+
+func TestRenameMachineSurfacesServerMessage(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, _ *http.Request) {
+		response.Header().Set("Content-Type", "application/json")
+		response.WriteHeader(http.StatusUnprocessableEntity)
+		_ = json.NewEncoder(response).Encode(map[string]string{
+			"error_code": "MACHINE_NAME_INVALID",
+			"message":    `invalid name "My Box": names are lowercase with no spaces`,
+		})
+	}))
+	defer server.Close()
+
+	client := dedalus.NewClient(option.WithBaseURL(server.URL))
+	_, err := renameMachine(context.Background(), &client, "dm-0198abc123", "My Box")
+
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "MACHINE_NAME_INVALID")
+	assert.Contains(t, err.Error(), "names are lowercase with no spaces")
+}