A radar for a vehicle may include a frame having a waveguide antenna embedded therein and extending in a direction crossing an extension direction of the waveguide antenna, a plated region covering at least a portion of the outer peripheral surface of the frame and formed of a metallic material, and an un-plated region not coated with the metallic material on one surface of the frame, wherein the un-plated region is located to be adjacent to the waveguide antenna. Therefore, the radar for the vehicle can improve the stability of an antenna pattern and a phase.