Yuki Touma (当真 ゆき, Tōma Yuki) is a Japanese AV actress and gravure model. She also worked as a ring girl for the martial arts group DEMOLITION. She debuted as an AV actress in 2003. Prior to working under the name Yuki Toma, she was active as Mami Sakurai (桜井マミ). When she was under S-1, her agency profile listed her date of birth as March 15, 1983, her height as 161 cm and her body measurements as 92-60-86 cm (F cup). On October 1, 2011, she returned to the AV industry for the first time in a four-year hiatus since One's Factory.