"Rosalyn" is the debut single by British rock band Pretty Things, released in 1964.

"Rosalyn" was written by songwriter Jimmy Duncan, who was also co-manager of the Pretty Things with Bryan Morrison at the time, along with Bill Farley, studio owner where the band was recording.

David Bowie recorded a cover version of "Rosalyn" and released it on his album Pin Ups.

[3] It was released as a free sampler single to Record Club members by RCA in New Zealand in November 1973.

[4] In 1972, British rock group Stack Waddy covered the song on their album Bugger Off!.