There are at least two bands by this name.

Perfect was a Polish rock band formed in 1977 by Wojciech Morawski, Zdzisław Zawadzki and Zbigniew Hołdys, reaching peak popularity in 1980 with Grzegorz Markowski joining as their frontman. They released the albums Perfect, Live, UNU before disbanding in 1983. The group had brief reunions over the years before reuniting in 1993 and going on to release Jestem, Geny, Śmigło, Perfect Symfonicznie, Schody, XXX, DaDaDam and Muzyka before disbanding in 2021.

Perfect is the band formerly known as Bitch Prefect