List of Famous people who are 21

Roger Bens is the French singer of Femme dans ses rêves aussi in the Eurovision Song Contest 1985. He came tenth with 56 points.

Etonam Nicole Anyomi is a German footballer who plays as a forward for Eintracht Frankfurt and the Germany women's national team.

Toh Ee Wei is a Malaysian badminton player from Malacca. She was the girls' doubles silver medalists at the 2018 Asian and World Junior Championships. She also won the 2016 World Junior bronze medal in the mixed doubles event.

Mateo Benjamín Delmastro is an Argentine badminton player. He won his first senior international title at the 2016 Argentina International in the mixed doubles event partnered with Micaela Suárez at the age of 16. He represented his country at the 2018 Summer Youth Olympics in Buenos Aires, Argentina.

Natthapat Trinkajee is a Thai badminton player.