- 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 singer
- 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
- May 22 Rhett Fisher, American actor and musician, born in Indianapolis, Indiana
- May 24 Cecilia Cheung, Hong Kong-Australian actress and singer, born in Hong Kong
- May 28 Mark Feehily, Irish musician (Westlife)
- May 31 Andy Hurley, American musician (Fall Out Boy)
About May 1980
How Old? 40 years old
Generation: Generation X
Leap Year: Yes