Yoko Nagayama (長山洋子; born January 13, 1968) is an Enka singer in Japan.

She was born in Tokyo. She started her life as a pop music singer in 1984. Her first song was "Haru wa SA-RA SA-RA". But this was a minor hit. The cover version "Venus" brought success to her in 1986. The next song "You're My Love" was also a hit.

In 1993,she started the second life. That is, she began to sing Enka, a kind of melodramatic Japanese popular song. She received three prizes for the first song "Higurashi". "Suterarete" was also her famous song.