List of Famous people born on May 21st

Sheilah L. Martin is a Puisne Justice on the Supreme Court of Canada, having served in that role since December 18, 2017. She was nominated to the court by Prime Minister Justin Trudeau on November 29, 2017. Before her appointment to Canada's highest court, Martin had served on the Court of Appeal of Alberta, the Court of Appeal for the Northwest Territories, and the Court of Appeal of Nunavut since 2016, and the Court of Queen's Bench of Alberta from 2005 to 2016. Martin is considered an expert in judicial ethics.

Gregory Smith is an American bassist and vocalist.

Hwang Kyung-seon, also spelled Hwang Kyung-sun, is a female South Korean Taekwondo practitioner. She is a two-time Olympic Champion from 2008 and 2012 Summer Olympics.

Gaspard Augé is a French musician and graphic designer. He is one of the two members of French electronic music duo Justice.

William Bradford Champlin is an American singer, musician, arranger, producer, and songwriter. He formed the band Sons of Champlin in 1965, which still performs today, and was a member of the band Chicago from 1981–2009. He performed lead vocals on three of Chicago's biggest hits of the 1980s, 1984's "Hard Habit to Break" and "Look Away" and "I Don't Wanna Live Without Your Love" in 1988. During live shows, he performed the lower, baritone, vocal parts originated by original guitarist Terry Kath, who had died in 1978. He has won multiple Grammy Awards for songwriting.

Enzi Shafira is an Indonesian male badminton player.

David Calder or Dave Calder is a Canadian rower. He was born in Victoria, British Columbia. He graduated from Brentwood College School in 1996.

Aleksandar Pešić is a Serbian professional footballer who plays as a striker for Fatih Karagümrük.