List of Famous people who are 21

Ashley Moloney is an Australian decathlete who won the gold medal at the 2018 World Junior Championships in Tampere. In achieving this result, Ashley broke the Competition Record, previously held by Niklas Kaul, and Oceania Junior Record, previously held by Cedric Dubler. In 2017 Moloney broke the U18 Australian Record in Decathlon, previously held by Jake Stein. On the 20th of December Moloney broke the Australian National record and Oceania Record for the Decathlon. Moloney increased the previous record by 2 points, raising Jagan Hames record of 8490 points to 8492 points.

Daria Bilodid is a Ukrainian judoka. She is the 2019 World and the 2019 European gold medalist in the 48 kg division.

Luka Šamanić is a Croatian professional basketball player for the San Antonio Spurs of the National Basketball Association (NBA). A power forward, he was drafted 19th overall by the Spurs in the 2019 NBA draft.

Josip Stanišić is a German footballer who plays as a centre-back for Bayern Munich II.

Maria Romanovna Sotskova is a retired Russian figure skater. She is the 2017 Grand Prix Final silver medalist, a two-time Internationaux de France silver medalist, the 2016 NHK Trophy bronze medalist, the 2017 CS Finlandia Trophy champion, and the 2018 Russian national silver medalist. She placed 8th at the 2017 and 2018 World Figure Skating Championships and at the 2018 Winter Olympics.

Matheus França Silva, commonly known as Matheuzinho, is a Brazilian footballer who plays as a right back for Flamengo.

Jalen Rasheed Smith is an American professional basketball player for the Phoenix Suns of the National Basketball Association (NBA). He played college basketball for the Maryland Terrapins, and was picked 10th overall in the 2020 NBA draft.

Camden Pulkinen is an American figure skater. He is the 2017 Junior Grand Prix Final silver medalist, two-time JGP Austria champion, and 2018 U.S. national junior champion. He finished within the top six at the 2018 World Junior Championships. He is the former world record holder for the junior men's short program.

Sandro Tonali is an Italian professional footballer who plays as a midfielder for Serie A club Milan, on loan from Brescia, and the Italy national football team.

Jace Lee Norman is an American actor. He is known for his starring role as Henry Hart in the Nickelodeon television series Henry Danger.