"My Rainbow Valley" is a song first recorded and released by American singer Robert Knight on his 1967 album Everlasting Love. It was later released as a single in May 1968. However, the song is better known for being covered by British band the Love Affair, whose version was released as "Rainbow Valley", and which became a top-ten hit in several countries.

Love Affair were a London-based pop and progressive rock group formed in 1966. The group had several UK Singles Chart top 10 hits, including the number one success, "Everlasting Love".