A two-wheel vehicle headlamp including a lamp body having a concave portion that is opened toward the front, a translucent cover that covers the front open portion of the lamp body, and a reflector which is installed inside the concave portion of the lamp body and to which light sources are attached. The headlamp further includes a light transmitting member provided along the peripheral edge portion of die reflector and between the open edge portion of the lamp body and the peripheral edge portion of the reflector, a position bulb provided in the lamp body, and a reflective portion formed in an area that substantially faces, from behind, the light transmitting member of the lamp body. Wit this structure, light of the position bulb is reflected by the reflective portion, transmitted through the light transmitting member, and radiated forward to illuminate the entire light transmitting member.