Umihara Kawase (Japanese: 海腹川背) is a series of platform games starring the sushi chef Kawase Umihara, who has become lost in a world of surreal salt-water and fresh-water creatures. The series began with Umihara Kawase for the Super Famicom in 1994, which was followed by Umihara Kawase Shun in 1997, Sayonara Umihara Kawase in 2013, Umihara Kawase Fresh! in 2019, and Umihara Kawase Bazooka! in 2020.

The game was an independent collaboration between developer Kiyoshi Sakai, illustrator Toshinobu Kondo, and several others. It was published by TNN, "Think about Needs of Notice for human being".

Umihara Kawase is the first game in the series released in 1994 for the Super Famicom. It was originally in development for the X68000. Umihara Kawase contains a total of 49 fields of which four are exit fields and six are boss fields. The game makes good use of the SFC's colour palette for digitized photographic backgrounds. The rope physics sometimes strain the Super Famicom's CPU, leading to slowdown, but this is rare. The game permits saving speedruns, establishing such play as a principle feature of the series.