Disclosed is a lens for a vehicle including a light source part including a plurality of light sources that irradiate light, and a lens part that outputs the light irradiated by the light source part to a front side, and the lens part includes a first lens disposed on a front side of the light source part, and a thickness of which becomes smaller as it goes toward opposite sides with respect to a leftward/rightward direction, and a second lens disposed on a front side of the first lens and deflected to be disposed on a more rear side as it goes from one end to an opposite end thereof with respect to the leftward/rightward direction.