A lighting device for a grab handle in a vehicle includes the grab handle disposed in a passenger compartment, a lamp embedded in the grab handle, a key sensor capable of detecting an approach of a user having a key into a given range around the vehicle, and a lighting controller configured to control lighting mode of the lamp. The lighting controller controls the lamp [1] to light the lamp in a first lighting mode when user's approach information is input to the lighting controller, [2] to light the lamp in a second lighting mode when lock/unlock information of a door is input to the lightingcontroller, or [3] to light the lamp in a third lighting mode when open/close information of the door is input to the lighting controller.