Asashōryū Akinori is a Mongolian former professional sumo wrestler (rikishi). He was the 68th yokozuna in the history of the sport in Japan, and in January 2003 he became the first Mongolian to reach sumo's highest rank. He was one of the most successful yokozuna ever. In 2005, he became the first wrestler to win all six official tournaments (honbasho) in a single year. Over his entire career, he won 25 top division tournament championships, placing him fourth on the all-time list.

Sumo is a form of competitive full-contact wrestling where a rikishi (wrestler) attempts to force his opponent out of a circular ring (dohyō) or into touching the ground with any body part other than the soles of his feet.