平松混声合唱団 is a Japanese choir founded in 1949 by Konosuke Hiramatsu. The choir is known for its beautiful and expressive performances of a wide range of music, from classical to folk to pop. They have performed all over the world, and have released numerous recordings.

The choir is made up of about 100 singers, who are all volunteers. They rehearse twice a week, and perform several concerts each year. The choir's repertoire includes works by composers such as Bach, Mozart, Beethoven, and Brahms, as well as Japanese folk songs and pop songs.