- May 1 Johnny Colt [Charles Brandt], American rock bassist (Black Crowes), born in Cherry Point, North Carolina
- May 5 Shawn Drover, Canadian drummer (Megadeth), born in Montreal, Quebec
- May 8 Marta Sánchez, Spanish singer (De Mujer a Mujer), born in Madrid, Spain
- May 11 Christoph Schneider, German drummer (Rammstein), born in Pankow, East Germany
- May 12 Bebel Gilberto, Brazilian-American pop and bossa nova singer, born in New York City
- May 13 Darius Rucker, American singer (Hootie & the Blowfish), born in Charleston, South Carolina
- May 13 Alison Goldfrapp, English musician (Goldfrapp), born in London
- May 14 Fab Morvan, French singer-songwriter and dancer (Milli Vanilli with Rob Pilatus), born in Paris, France
- May 14 Mike Inez, US rock bassist (Alice in Chains-Facelift)
- May 14 Raphael Saadiq, American musician (Tony! Toni! Toné!), born in Oakland California
Janet Jackson
May 16 Janet Jackson, American singer (Control), sister of Michael, born in Gary, Indiana
Janet Jackson
- May 18 Michael Tait, American musician (dc Talk, Tait)
- May 22 Kenny Hickey, American guitarist (Type O Negative), born in NYC, New York
- May 27 Sean Kinney, US rock drummer (Alice in Chains-We Die Young)
- May 30 Stephen Malkmus, American songwriter, singer and guitarist (Pavement), born in Santa Monica, California
About May 1966
How Old? 54 years old
Generation: Generation X
Leap Year: No