"I Told You So" is a song written and recorded by American country music singer Randy Travis from his 1988 album, Always & Forever. It reached number one on the U.S. Billboard and Canadian RPM country singles charts in June 1988. Travis had first recorded it on his 1983 album Live at the Nashville Palace under his stage name "Randy Ray". It became a local hit and one of his most requested songs at the club. In 2007, the song was covered by Carrie Underwood on her album Carnival Ride. Her version was released in February 2009 and was re-recorded and re-released in March as a duet with Travis. Underwood's and Travis's duet peaked at number two on the U.S. country charts in 2009.

"I Told You So" is a mid-tempo in which the narrator poses a hypothetical situation, asking how his lover would react if he said he wanted to come back home. He asks if she would say that she loves him, or "simply laugh at [him] and say 'I told you so'" because she has found someone else.

Travis first recorded this for his 1983 "Live at the Nashville Palace" under this stage name at the time "Randy Ray". It was a local hit for him. Travis re-recorded it for his Always & Forever and released it as a single. His rendition was a Number One hit on the Billboard country charts, peaking in June 1988 and spending two weeks at that position.

Randy Travis later recollected on Twitty's response to the song's popularity. "We were working shows with Conway after it was a #1 song for us, and he remembered it; and for a while every time Lib (Travis' manager and wife) would walk up to him, she'd just say "I Told You So." It got to the point that every time he'd see her coming he'd say "I don't want to hear it."

Carrie Underwood released a cover version of the song on her 2007 album, Carnival Ride; it was the fifth and final single released from the album. Her version of the song was featured on the album Now That's What I Call Country Volume 2. Underwood's version has been certified Platinum by the RIAA.

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