Yamaoka Tesshu (?? ??, June 10, 1836 – July 19, 1888), also known as Ono Tetsutaro or Yamaoka Tetsutaro, was a famous samurai of the Bakumatsu period, who played an important role in the Meiji Restoration.
He is also noted as the founder of the Itto Shoden Muto-ryu school of swordsmanship.