Akiko Seki (Japanese: 関鑑子) (September 8, 1899 in Tokyo – May 2, 1973 in Tokyo) was a Japanese soprano. She is commonly recognized as the founder of the movement of The Singing Voice of Japan (Japanese: 日本のうたごえ, Nihon no Utagoe / うたごえ運動, Utagoe-undō). In 1955 she was awarded the Stalin Peace Prize.