Tamawashi Ichiro (?? ??) (born 16 November 1984 as Batjargal Munkh-Orgil, Mongolian: ??????????? ????-?????) is a professional sumo wrestler from Ulaanbaatar, Mongolia.
He made his debut in January 2004 and reached the top makuuchi division in September 2008.
His highest rank has been sekiwake.
He has a makushita, a juryo and a makuuchi division championship.
He has three gold stars for defeating a yokozuna, and three special prizes.
He wrestles for Kataonami stable.
He has not missed a bout in his career to date and has the longest streak of consecutive matches among active wrestlers.
In January 2019, he won his first top-division championship at the age of 34.