Soai University (相愛大学 Sōai Daigaku?) is a private university in the city of Osaka, Japan. It was established in 1888, initially as a women's university.
Famous people with ties to Soai include alumni Hideo Ishikawa, Haruko Okamoto, Mihoko Shuku, and Yasuhito Sugiyama.
Coordinates: 34°38′4.8″N 135°25′39.8″E / 34.634667°N 135.427722°E