"Sundown" is a song by British pop group S Club 8, released as the second single and title track from their album of the same name Sundown.

Calvin Goldspink sings backing vocals in the song's intro, a line and backing vocals in the first part of the bridge, a line in the second part of the bridge along with Stacey, and backing vocals in the final chorus.

Stacey McClean sings the first and third verses, backing vocals in the second and final chorus, the second part of the bridge including a line along with Calvin, and backing vocals in the end of the song.

Frankie Sandford sings the second and fourth verses, and backing vocals in the second chorus.

Aaron Renfree, Rochelle Wiseman, Daisy Evans, Hannah Richings and Jay Asforis do not have any vocal lines in this song.