"Gentle on My Mind" is a song written by John Hartford, which won four 1968 Grammy Awards. Hartford himself won the award for Best Folk Performance and Best Country & Western Song (Songwriter). The other two awards Best Country & Western Solo Vocal Performance, Male and Best Country & Western Recording, went to American country music singer Glen Campbell for his version of Hartford's song. It was released in June 1967 as the only single from the album of the same name. It was re-released in July 1968 to more success. Glen Campbell's version has received over 5 million plays on the radio. Campbell used "Gentle on My Mind" as the theme to his television variety show, The Glen Campbell Goodtime Hour between 1969 and 1972. Dean Martin's version, recorded in 1968, was a major hit in the United Kingdom; three versions of the song, Campbell's, Martin's and Patti Page's, all reached the top ten of the U.S. easy listening chart in 1968. The song was ranked number 16 on BMI's Top 100 Songs of the Century.

Hartford reported that he was inspired to write the song after seeing the film Doctor Zhivago when his own memories took over, and that it took about thirty minutes to write down.

Campbell heard Hartford's original version on the radio and decided at once that he wanted to record it. At the time, Campbell was under contract with Capitol Records as a solo artist but had little success in establishing a name for himself. Campbell gathered some of his fellow Wrecking Crew session players (including Leon Russell who was later listed as the producer of the album by the same name) to come into the Capitol studio to record a demo version that he could pitch to his producer Al De Lory. Between phrases and stanzas, Campbell would yell instructions to the players. He then left the rough recording for his producer to listen to. De Lory fell in love, not only with the song, but with the recording itself. Without telling Campbell, he took the tape back into the studio and removed the unwanted verbiage from between the phrases. He then released the demo recording, which became a mega-hit for Campbell when it was released a second time in the wake of "By the Time I Get to Phoenix".

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