Circus (stylised as CIRCUS) is the debut studio album by Japanese musician and actress Chiaki Kuriyama, which was released on March 16, 2011. Kuriyama collaborated with famous Japanese and overseas rock musicians to create the album. In January 2012, the album was re-released as a deluxe edition, featuring the single "Tsukiyo no Shōzō" and its B-side "Seishun no Matataki""