Relient K ( ) is an American alternative Christian pop punk band from Canton, Ohio that formed in 1998. Named after guitarist Matt Hoopes' Plymouth Reliant K car, the band has received numerous awards including a Grammy Award nomination in 2003 for Best Rock Gospel Album and two Dove Awards.

The band broke into the mainstream in 2004 after Capitol signed them upon the release of their fourth record, Mmhmm, which debuted at #15 on the Billboard 200. It produced three top five hits on Christian radio and two top 20 hits on mainstream radio. Their fifth album, Five Score and Seven Years Ago, debuted at #6 on the U.S. Billboard 200. As of July 11, 2007, it had sold 152,560 copies in the US.

Relient K is a Christian pop-punk / rock band. They were formed in 1998 in Canton, Ohio. The band named themselves after guitarist Matt Hoopes’ Plymouth Reliant K car. The band has received numerous awards including a Grammy nomination in 2003 for Best Rock Gospel Album and two Dove Awards. All the members are Christians, although some fans have questioned the band being in the Christian rock genre. On the subject of this, lead singer Matt Thiessen stated in an interview, “Our whole answer i