Ōnishiki Uichirō, Japanese sumo wrestler, the 26th Yokozuna (died 1941)

Ōnishiki Uichirō was a Japanese professional sumo wrestler. He was the sport's 26th yokozuna. On 2 November 1922, he became the first yokozuna to perform the yokozuna dohyō-iri at the Meiji Shrine.

Makuuchi (幕内), or makunouchi (幕の内), is the top division of the six divisions of professional sumo. Its size is fixed at 42 wrestlers (rikishi), ordered into five ranks according to their ability as defined by their performance in previous tournaments.