Disclosed is a lamp for a vehicle. The lamp for a vehicle includes a light source part that generates and outputs light, and a lens array provided on a front side of the light source part, the lens array includes a first lens part including a plurality of first micro lenses, to which the light is input from the light source part, a second lens part including a plurality of second micro lenses that outputs the light input from the first lens part, and a shield part located between the first lens part and the second lens part, and that shields a portion of the light input from the first lens part to the second lens part to form a specific beam pattern on a road surface, and the shield part is provided to be movable to change a lamp image of the beam pattern formed on the road surface.