- May 1 Zaz [Isabelle Geffroy], French singer-songwriter (Je veux), born in Tours, France
- May 6 Taebin, Korean singer (1TYM)
- May 8 Michelle McManus, Scottish pop singer ("All This Time"), born in Glasgow, Scotland
- May 13 Mau Marcelo, Filipino singer
- May 17 Dallas Taylor, American Christian metal singer (Maylene and the Sons of Disaster, Underoath), born in Ocala, Florida
- May 18 Ali Zafar, Pakistani singer and model (Channo), born in Lahore, Pakistan
- May 21 Gotye [Wouter De Backer], Belgian-Australian rock singer-songwriter ("Someone That I Used to Know"), born in Bruges, Belgium
- May 22 Rhett Fisher, American actor and musician, born in Indianapolis, Indiana
- May 24 Cecilia Cheung, Hong Kong-Australian actress (Fly Me To Polaris) and cantopop singer, born in Hong Kong
- May 28 Mark Feehily, Irish pop singer (Westlife - "Flying Without Wings"), born in Sligo, Ireland
- May 31 Andy Hurley, American drummer (Fall Out Boy - "This Ain't a Scene, It's an Arms Race"), born in Menomonee Falls, Wisconsin