Naofumi Yamamoto (?? ??, Yamamoto Naofumi, born August 1, 1977) is a Japanese professional wrestler and former boxer and mixed martial artist.Yamamoto started his professional wrestling career under his real name in October 2002 with New Japan Pro-Wrestling (NJPW), where he remained until 2007, when he signed with World Wrestling Entertainment (WWE).
In 2009, Yamamoto left WWE's developmental territory to join the promotion's main roster under the ring name Yoshi Tatsu.
After his June 2014 release from WWE, Yamamoto returned to NJPW the following October, performing under the tweaked ring name Yoshitatsu (????, Yoshitatsu).
Following his departure from NJPW in late 2017, he became a freelancer and started working most notably for All Japan Pro Wrestling (AJPW).