List of Famous people born on May 21st

Jean-Claude Guillebaud is a French writer, essayist, lecturer and journalist.

Mohd Syamsul bin Mohd Yusof is a Malaysian film director, actor and singer. He is the son of producer and director Yusof Haslam. He is the youngest director to win the Malaysian Film Festival for Best Director award, doing so at the age of 25.

Emma Ferguson is a British actress. She is best known for her starring role in the series Mile High with co-stars Naomi Ryan and Jo Anne Knowles but also appeared in the miniseries North and South.

Tyrone Walker, known by his stage name ASAP TyY, is an American rapper from the Harlem neighborhood of Manhattan, New York. He is a member of the Harlem, New York based hip hop collective A$AP Mob, from which he adopted his "A$AP" moniker.

Curtis Tracy McMullen is an American mathematician who is the Cabot Professor of Mathematics at Harvard University. He was awarded the Fields Medal in 1998 for his work in complex dynamics, hyperbolic geometry and Teichmüller theory.