A vehicular lamp fitting is provided with: a reflector having a first reflector portion; an inner panel; a first light guide member provided along an edge of the first reflector portion toward the center of the vehicle and disposed to be opposed to the first reflector portion; and a light source provided at least on either one end or the other end of the first light guide member so as to allow light to be incident on the first light guide member. The first light guide member is disposed so as to be visually recognized from the side of the vehicle, and part of direct light reflected by a reflective surface of the first light guide member and emitted toward the first reflector portion that has not been emitted ahead of the vehicle by the first reflector portion is emitted toward the side of the vehicle.