Yohei Takai (高井 洋平, Takai Yōhei, born 27 August 1982) is a Japanese judoka. He won a bronze medal at the open category of the 2005 World Judo Championships. He is from Kanagawa Prefecture. After graduation from Kokushikan University, he joined to Asahi Kasei which former world champions, Hiroshi Izumi and Masato Uchishiba also belong to.