Masanori Yusa (遊佐 正憲, Yusa Masanori; January 8, 1915 – March 8, 1975) was a Japanese freestyle swimmer. He won gold medals in the 4 × 200 m relay in the 1932 and 1936 Olympics, setting world records on both occasions. In 1936 he finished almost simultaneously with Shigeo Arai and Masaharu Taguchi in the 100 m race and was awarded a silver medal.

Yusa graduated from Nihon University and later worked for the Yokohama Rubber Company. In 1942, he married Yumeko Aizome, a famous stage and silent/sound film actress in Japan.