List of Famous people who are 21

Sergio Gómez Martín is a Spanish professional footballer who plays as an attacking midfielder for Belgian club Anderlecht.

Rabbi Matondo is a professional footballer who plays as a winger for English club Stoke City, on loan from Bundesliga club Schalke 04. Born in England to parents from DR Congo, he was eligible to play for either country, as well as Wales, where he grew up. Having played for England under-15s, he later opted to represent Wales and played for the under-17 and under-21 teams before making his debut for the senior national team in 2018.

Moisés Isaac Caicedo Corozo is an Ecuadorian footballer who plays as a midfielder for Premier League club Brighton & Hove Albion.

Ravi Bishnoi is an Indian cricketer. He plays for Rajasthan in domestic cricket and for Kings XI Punjab in the Indian Premier League. He played for India in the 2020 Under-19 Cricket World Cup, finising as the tournament's highest wicket-taker with 17 dismissals.

Abel Ruiz Ortega is a Spanish professional footballer who plays as a forward for Portuguese club Braga.

Leandro Nicolás Bolmaro is an Argentine-Italian professional basketball player for FC Barcelona of Liga ACB and the EuroLeague. Listed at 6 feet 6 inches (1.98 m) and 200 pounds (91 kg), he plays the shooting guard position. He also represents the Argentina men's national basketball team in different competitions.

Erica Sullivan is an American swimmer. She placed second in the 1500-meter freestyle at the 2020 US Olympic Swimming Trials, qualifying her for the 2020 Olympic Games, where she took home the silver medal.

Josh Green is an Australian basketball player for the Dallas Mavericks of the National Basketball Association (NBA). He played college basketball for the Arizona Wildcats.

Giorgi Mamardashvili is a Georgian professional footballer who plays as a goalkeeper for La Liga club Valencia, on loan from Dinamo Tbilisi. He also represents the Georgia national team.

Sandeep Lamichhane is a Nepalese cricketer who plays for the Nepalese national team. A right-arm leg spin bowler, Lamichhane has played for Twenty20 franchise sides across the world, including the Delhi Capitals in the Indian Premier League (IPL), the Hobart Hurricanes in the Big Bash League (BBL), and the Lahore Qalandars in the Pakistan Super League (PSL).