"Psycho Circus" is a song by the American hard rock band Kiss. It is the title track from the 1998 album with the same name. The B-side is the non-album track "In Your Face", a song written by bassist Gene Simmons and sung by Kiss guitarist/vocalist Ace Frehley. As a single, the song became the band's first number one hit on the Billboard Hot Mainstream Rock Tracks chart, while also proving to be a Top Ten hit in other countries in the world, including Canada and Norway.