List of Famous people who are 21

Agnieszka Beata Mikołajczyk, better known by her stage name Aga Mikolaj, was a Polish operatic soprano who made an international career. She was a member of the Bavarian State Opera in Munich from 2002 to 2007, focusing on Mozart roles, especially Donna Elvira in Don Giovanni, and performed from San Francisco to Tokyo. She performed and recorded Four Last Songs by Richard Strauss, Penderecki's The Seven Gates of Jerusalem, and Detlev Glanert's Requiem for Hieronymus Bosch, live in Rotterdam in 2016 in its first recording.

Tyger Campbell is an American college basketball player for the UCLA Bruins of the Pac-12 Conference. As a sophomore in 2021, he earned first-team all-conference honors.

Super7, also known as S7, was a child boy band from Jakarta, Indonesia, who formed in March 2011. Their most famous single, "BFF (Sahabat)" was released in 2011. They released two studio albums before breaking up in 2015. Some members of the band then formed the new ensemble New Super7. Their fanclubs were known as "Seveners".

Lucas Jade Zumann is an American actor. He played Milo in the horror film Sinister 2, Jamie Fields in the indie comedy-drama film 20th Century Women and Gilbert Blythe in Anne with an E.

Mohamed Amine Tougai is an Algerian footballer who plays for ES Tunis in the Tunisian Ligue Professionnelle 1.

Gustavo Henrique Giordano Amaro Assunção da Silva, known as Gustavo Assunção, is a Brazilian professional footballer who plays as a midfielder for the club Galatasaray in the Turkish Super Lig.

Jack Raymond Clarke is an English professional footballer who plays as a winger for Championship side Stoke City, on loan from Premier League side Tottenham Hotspur. He can also play as a striker. He represents England U20s at international level.

Holger Waldenberger is a German professional quiz player. He won the individual title in the European Quizzing Championships in 2012.

Tyrese Maxey is an American professional basketball player for the Philadelphia 76ers of the National Basketball Association (NBA). He played college basketball for the Kentucky Wildcats.

Li Wenwen is a Chinese weightlifter, Olympic Champion, World Champion and Asian champion competing in the women's +87 kg division.