"The Girls' Song" is a song written by Jimmy Webb and performed by The 5th Dimension. It reached #6 on the U.S. adult contemporary chart, #43 on the Billboard Hot 100, and #97 in Australia in 1970. It was featured on their 1967 album, The Magic Garden, but was not released as a single until its release from their 1970 album, Greatest Hits.

The song was produced by Bones Howe and arranged by Webb.