"Love Without Mercy" is a song written by Don Pfrimmer and Mike Reid. It was originally recorded by The Oak Ridge Boys for their 1987 album Heartbeat, and later by Reid on his album Twilight Town. The Oak Ridge Boys' version was the B-side of their 1988 single "True Heart". It was later recorded by American country music singer Lee Roy Parnell. It was released in September 1992 as the third single from, and title track to, his 1992 album Love Without Mercy. The song spent 20 weeks on the Hot Country Songs charts, peaking at number eight in early 1993.