Yoko Matsugane (松金 洋子, Matsugane Yōko?, born May 26, 1982) is a Japanese gravure (or bikini) idol from Ibaraki Prefecture, Japan. She is famous for her voluptuous figure.

She has released several DVDs and photobooks and has appeared on several TV shows in Japan. As of January 2006, Yoko left her modeling agency, but is still active in producing DVDs and photo sets. At the times of the release of her latest DVD she usually attends promotional events where her fans get to meet their idol and take a picture with her. These events are most often held in department stores in the Akihabara district of Tokyo.