List of Famous people who are 21

Freddie Nicholas Overbury Steward is an English professional rugby union player for Leicester Tigers in Premiership Rugby. His usual position is full back.

Julián Álvarez is an Argentine professional footballer who currently plays for River Plate and the Argentina national team. Mainly a forward, he can also operate as a winger.

Ronald Harper Jr. is a Filipino-American college basketball player for the Rutgers Scarlet Knights of the Big Ten Conference. He is the son of former NBA player Ron Harper.

Félix Auger-Aliassime is a Canadian professional tennis player. He is the youngest player ranked in the top 25 by the Association of Tennis Professionals (ATP), and has a career-high ranking of No. 17 in the world. He has six runner-up finishes on the ATP Tour.

Noah Lindsey Cyrus is an American singer, songwriter, and actress. In 2016, she released her debut single "Make Me (Cry)", featuring vocals from Labrinth.

Nicole Denise Cucco, known professionally as Nicki Nicole, is an Argentine rapper and singer. Born and raised in Rosario, Santa Fe, she gained popularity with her singles "Wapo Traketero", "Colocao", "Mamichula", and "Mala Vida".

Bioty Moise Kean is an Italian professional footballer who plays as a forward for Ligue 1 club Paris Saint-Germain, on loan from Premier League club Everton, and the Italy national team.

Hugo Gaston is a French tennis player. His career high ATP Ranking in singles is world No. 157 which he first achieved on 12 October 2020 and in doubles is world No. 309 which he achieved on 31 of August 2020. He won the 2018 Australian Open - Boys' Doubles title with compatriot Clément Tabur.

Javonte Williams is an American football running back for the Denver Broncos of the National Football League (NFL). He played college football at North Carolina and was drafted by the Broncos in the second round of the 2021 NFL Draft.

Trey Lance is an American football quarterback for the San Francisco 49ers of the National Football League (NFL). He played college football at North Dakota State and was selected third overall by the 49ers in the 2021 NFL Draft.