The Motobu Udun Tomb is a turtleback tomb located in Ganeko in today's Ginowan City, Okinawa Prefecture, Japan. The tomb belongs to the House of Motobu whose origin is Prince Motobu Chōhei, the 6th son of the 10th King Shō Shitsu (1629–1668) of the Second Royal Shō Dynasty of Ryūkyū.