A parking brake includes transmission shaft, park gear and parking assembly. The park gear is connected to the transmission shaft. The parking assembly includes holder and engagement mechanisms. The holder on the transmission shaft is slidable in axial direction of the transmission shaft. The engagement mechanism includes engagement body and elastic member. The engagement body is furnished on the holder and slidable in a radial direction of the transmission shaft. The elastic members are connected to the holder and located between the holder and the engagement bodies. The engagement bodies protrude from a surface of the holder. When the parking assembly is moved toward the park gear, and some of the engagement bodies are pressed and moved with respect to the holder, the park gear is engaged with some of the plurality of engagement mechanisms not moved with respect to the holder.