"One Room Disco" is the ninth major single by Japanese band Perfume. It was released on March 25, 2009 as a CD-only version and CD+DVD version. The single reached number one on the Oricon weekly chart on April 6. The limited edition CD+DVD version included a form that, when filled out and sent in, entered fans into a draw for prizes such as a backstage pass, a visit at home by Perfume, "Perfume Original Goods" gifts, and T-shirts.

Perfume is a Japanese pop techno girl group from Hiroshima Prefecture, Japan, consisting of Ayano Omoto ("Nocchi"), Yuka Kashino ("KASHIYUKA") and Ayaka Nishiwaki ("a-chan"). The group has been signed with Amuse, Inc. since 2003 and with Universal Music Group since 2012.