- May 1 Steve Farris, rock guitarist (Mr Mister)
- May 1 Kow Otani, Japanese composer for anime, film and video games (Gamera), born in Toyko, Japan
- May 3 [Michael] Cactus Moser, American country singer (Highway 101), born in Montrose, Colorado
Sid Vicious
May 10 Sid Vicious [John Simon Ritchie], English musician and bassist (Sex Pistols), born in London (d. 1979)

Sid Vicious
- May 18 Michael Cretu, rocker (Enigma)
- May 23 Thereza Bazar, British-Canadian singer (Dollar-Love's Gotta Hold on Me), born in Toronto, Ontario
- May 23 Jimmy McShane, Irish singer (Baltimora-Tarzan Boy), born in Derry, Northern Ireland (d. 1995)
- May 26 Kristina Olsen, American musician
- May 27 Eddie Harsch [Edward Hawrysch], Canadian keyboardist (Bulldog, The Black Crowes), born in Toronto, Ontario (d. 2016)
- May 30 Chris Van Jaarsveld, guitarist (Sleeze Beez)
About May 1957
How Old? 63 years old
Generation: Baby Boomer
Leap Year: No