List of Famous people who are 21

Akira Neo is a professional Japanese baseball player. He plays infielder for the Chunichi Dragons.

Tyrese Haliburton is an American basketball player for the Sacramento Kings of the National Basketball Association (NBA). He played college basketball for the Iowa State Cyclones. Listed at 6 feet 5 inches (1.96 m) and 185 pounds (84 kg), he plays the point guard position.

Jack Thomas Leiter is an American college baseball pitcher for the Vanderbilt Commodores.

Kim Sae-ron, better known mononymously as Saeron is a South Korean actress. She began her career when she was nine years old and became a popular child star through the films A Brand New Life (2009) and The Man From Nowhere (2010). As Kim reached her teenage years, she was cast in more leading roles, notably in the film A Girl at My Door (2014). She has also starred in television drama series, including Listen to My Heart (2011), The Queen's Classroom (2013) and Hi! School-Love On (2014). Her first adult lead role was in the television drama Secret Healer (2016).

Francesca Jones is a British tennis player.

Aleyna Tilki is a Turkish singer and songwriter.

Kyōta Fujiwara is a professional Japanese baseball player. He plays outfielder for the Chiba Lotte Marines.

Destanee Gabriella Aiava is an Australian professional tennis player.

Kaja Juvan is a tennis player from Slovenia.

Oliver William Skipp is an English professional footballer for the Championship club Norwich City, on loan from Tottenham Hotspur, who plays as a central midfielder.