"Sometimes Love Just Ain't Enough" is the title of a 1992 single (see 1992 in music) performed as a duet by the American singers Patty Smyth and Don Henley.

Smyth was the former lead singer for the band Scandal, whose hits included "The Warrior" and "Goodbye To You"; Henley is a longtime member of the band The Eagles (singing lead vocals on "Desperado" and "Hotel California", among many others) as well as a successful solo artist ("The Boys Of Summer", "The End Of The Innocence"). "Sometimes Love Just Ain't Enough" was written by Smyth and Glen Burtnik and would appear on her self-titled 1992 album.

The single was very successful, being certified Gold by the RIAA and spending six weeks at #2 on the Billboard Hot 100 chart in the fall of 1992 during the 13 week reign at #1 of Boyz II Men's song, "End of the Road". It remained in the Top 40 for 20 weeks. The duet also topped the U.S. adult contemporary chart for four weeks. In Canada, "Sometimes Love Just Ain't Enough" spent seven weeks at #1 on the Canadian pop chart, while in England, the song reached #22 on the British pop chart. The song was also nominated for a Grammy Award in the category Best Pop Vocal, Duo or Group.