Vehicle lamp

A vehicle lamp (100) includes a lamp body (17) having an opening, a resin cover (31) attached to the opening to form a lamp chamber (15) together with the lamp body (17); and a light source (13) disposed inside the lamp chamber (15) to irradiate light through the resin cover (31). The resin cover (31) includes a design surface portion (31a), and a peripheral edge portion (31b) surrounding the design surface portion (31a). The peripheral edge portion (31b) includes a gate mark (35), and a thick-walled portion (36) having a greater wall thickness than the other part of the peripheral edge portion (31b) and extending from the gate mark (35) toward the design surface portion (31a).