Relient K () is an American rock band formed in 1998 in Canton, Ohio, by Matt Thiessen, Matt Hoopes, and Brian Pittman Board Message during the band members' third year in high school and their time at Malone University. The band is named after guitarist Hoopes' automobile, a Plymouth Reliant K car, with the spelling intentionally altered to avoid trademark infringement over the Reliant name. The group is known for its Christian rock, alternative Christian rock, and contemporary Christian music.
