List of Famous people who are 21

Arthur Chen, better known by his Chinese name Chen Feiyu, is a Chinese-American actor. He is known for his role in the 2018 fantasy epic Ever Night.

Egy Maulana Vikri is an Indonesian professional footballer who plays as a winger for Slovak Super Liga club ViOn Zlaté Moravce and the Indonesia national team. In 2017, Egy was named as one of the 60 most talented and promising players born in the year 2000 by The Guardian.

Carlos Edriel Yulo is a Filipino artistic gymnast who has won bronze and gold at the World Artistic Gymnastics Championships. He is the first Filipino and the first male Southeast Asian gymnast to win in the World Artistic Gymnastics Championships with his floor exercise bronze medal finish in 2018, and the first ever gold medal for the Philippines in 2019 on the same apparatus. This performance also qualified him to the 2020 Summer Olympics in Tokyo.

Ahmet Aslan is a Turkish musician of Zaza descent. He performs classical songs in Turkish, Zazaki and Kurdish.

Addji Keaninkin Marc-Israel Guéhi, commonly known as Marc Guéhi, is an Ivorian-born English professional footballer who plays as a defender for Chelsea.

Hernán López Muñoz is an Argentine professional footballer who plays as a midfielder for River Plate.

Montana Fouts is an American All-American softball pitcher for the Alabama Crimson Tide.

Nassir Shamai Little is an American professional basketball player for the Portland Trail Blazers of the National Basketball Association (NBA). Little finished his high school career as one of the top-ranked players in his class, having led Orlando Christian Prep to consecutive Florida state championships. The 6 ft 5 in (1.96 m) small forward went on to play college basketball for the North Carolina Tar Heels.

Cameron Marley Kasky is an American activist and advocate against gun violence who co-founded the student-led gun violence prevention advocacy group Never Again MSD. He is notable for helping to organize the March for Our Lives nationwide student protest in March 2018. Kasky is a survivor of the February 2018 mass shooting at Marjory Stoneman Douglas High School.

Maame Biney is an American short track speed skater who competed in the 2018 Winter Olympics in PyeongChang.