Perfect Circle

Perfect Circle can refer to:

• A type of circle
• The Perfect Circle, a 1997 movie by Bosnian director Ademir Kenovic.
• Perfect Circle (novel), 2004 novel by Sean Stewart
• Perfect Circle (song), song from R.E.M.'s debut album Murmur
• A Perfect Circle, rock band
• The Perfect Circle Co., U.S. manufacturer of piston rings, now part of Mahle GmbH