"Bye Bye Bye" is a song by American boy band NSYNC from their third studio album, No Strings Attached. It was released on January 17, 2000, as the lead single from the album. The song was written and produced by Kristian Lundin and Jake Schulze, with additional writing by Andreas Carlsson. Its lyrics describe the end of a romantic relationship; it was reported to also reference the group's separation from their manager Lou Pearlman and their record label RCA Records.

NSYNC is an American vocal group and boy band formed by Chris Kirkpatrick in Orlando, Florida, in 1995 and launched in Germany by BMG Ariola Munich. The group consists of Kirkpatrick, Justin Timberlake, Joey Fatone, Lance Bass, and JC Chasez. Their self-titled debut album was successfully released to European countries in 1997, and later debuted in the U.S. market with the single "I Want You Back".