666

666 may refer to:


 * 666 (number)
 * 666 BC, a year
 * AD 666, a year
 * The number of the beast, a reference in the Book of Revelation in the New Testament

Places

 * 666 Desdemona, a minor planet in the asteroid belt
 * U.S. Route 666, an American highway now numbered U.S. Route 491
 * Pennsylvania Route 666, a state route in Northwestern Pennsylvania
 * 666 Fifth Avenue, now 660th Fifth Avenue

Entertainment

 * 666, a pornographic movie series by John Thompson Productions
 * Wrestling of Darkness 666, a Japanese professional wrestling promotion
 * 666 ABC Canberra, an ABC Local Radio station based in Canberra
 * 666 Park Avenue, an American supernatural drama series

Music

 * 666 (band), a German trance music group

Albums

 * SixSixSix, a four-LP box set by Sleep Chamber
 * 666 (Aphrodite's Child album)
 * 6:66 Satan's Child, a 1999 album by Danzig
 * 666 (Hyde album), an album by the musician Hyde
 * 666 (Billy Talent album), a live album by Billy Talent
 * 6:6:6, a split CD between Smackin' Isaiah (a.k.a. A Wilhelm Scream), Moronique and Merrick

Songs

 * 666, a song on the 1982 album Metal on Metal, by Anvil
 * Six Six Six, a song on the 2014 album Hebrews, by Say Anything
 * 666, a song on the 2022 album G.I.N.A, by Amerado

Other uses

 * 1980 Pennsylvania Lottery scandal, known as the "Triple Six Fix"
 * Abajiri, an eschatological Christian sect in Uganda, also known as 666
 * Themba Vilakazi (born 1981–1982), South African serial killer