A vehicle lamp structure that enables reliable engagement even when variations occur during molding is described. In a vehicle lamp, an attachment base body 2 may be coupled to a lens 6 covering a front surface thereof by engagement of at least a part. The lens is provided with an engagement leg portion 9 which is inserted into the body so as to be engaged with an engagement portion 10 of the body. First and second engagement protruding portions 11, 12 are formed, with a space therebetween that face the engagement portion of the body. A front surface 11a of the first engagement protruding portion is a slanted surface that is increasingly displaced to a side opposite the insertion direction. The engagement portion of the body comprises first and second engagement projections 13, 14 protruding toward the engagement leg portion of the lens, and the engagement leg portion of the lens is engaged with the engagement portion of the body by elastic contact of the slanted surface of the first engagement protruding portion of the lens with the first engagement projection of the body. A front surface of he second engagement protruding portion faces the second engagement projection.