Sing a Song can refer to:

• Sing a Song (album), a 1978 album by Phyllis Hyman, and the title track
• "Sing a Song" (Earth, Wind & Fire song), a 1975 song by Earth, Wind & Fire
• "Sing a Song" (Third Day song), a 2003 song by Third Day
• "Sing" (Joe Raposo song), a 1972 song written for Sesame Street and popularized by the Carpenters, sometimes referred to as "Sing a Song"
• "Sing a Song", a 2004 Japanese song from the album Chobits Character Song Collection
• "Sing-a-song", a 2021 song by Pentagon from the EP Love or Take

• "Sing a Song of Sixpence"
• "Sing a Simple Song"