Masanori Yusa (?? ??, Yusa Masanori, January 20, 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.