I'mperfect (stylised as i'mperfect) is the fifth studio album by the Japanese rock band Ling Tosite Sigure, released on April 10, 2013. This album includes both their previous singles. The single "Abnormalize" was used as the opening theme for anime series, Psycho-Pass. The album was released in the UK and Europe by JPU Records.

All tracks written and composed by Toru "TK" Kitajima.