Tokitenkū Yoshiaki (時天空 慶晃, Tokitenkū Yoshiaki, born as Altangadasyn Khüchitbaatar, Mongolian: Алтангадасын Хүчитбаатар; September 10, 1979 – January 31, 2017) was a sumo wrestler. He made his professional debut in 2002, reaching the top makuuchi division just two years later. The highest rank he reached was komusubi, which he held on three separate occasions, but never retained for more than one tournament. He earned one special prize, for Technique. He wrestled for the Tokitsukaze stable and acquired Japanese citizenship in 2014.