"Sunshine, Lollipops and Rainbows" is a popular song sung by Lesley Gore. It was originally released on Gore's 1963 album Lesley Gore Sings of Mixed-Up Hearts. It was composed by Marvin Hamlisch and Howard Liebling, arranged by Claus Ogerman, and produced by Quincy Jones.
The single was released in conjunction with Gore's performance of the song in the 1965 film Ski Party.
Billboard described the single as "back on the happy rhythm trail, Lesley comes up with a winner in this summertime rouser." Cash Box described it as "an engaging lovey-dovey, a perfect way for teeners to get in the summertime spirit."
The 1965 single version was sped up compared to the original album recording.
The song peaked at No. 13 on the Billboard Hot 100.