Asashōryū Akinori (朝青龍 明徳, born 27 September 1980, as Dolgorsürengiin Dagvadorj, Mongolian Cyrillic: Долгорсүрэнгийн Дагвадорж) is a Mongolian former sumo wrestler (rikishi). He was the 68th yokozuna in the history of the sport in Japan and became the first Mongol to reach sumo's highest rank in January 2003. 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.