List of Famous people who are 21

Quamdeen "Ayo" Dosunmu is an American college basketball player for the Illinois Fighting Illini of the Big Ten Conference.

Penelope Oleksiak is a Canadian-American competitive swimmer who specializes in the freestyle and butterfly events. During the 2016 Summer Olympics, she became the first Canadian to win four medals in the same Summer Games and the country's youngest Olympic champion, with a gold in the 100 m freestyle, a silver in the 100 m butterfly, and two bronzes in the women's freestyle relays. With her gold medal win, she became the first athlete born in the 2000s to claim an Olympic gold medal in an individual event.

Rowan Alexander "RJ" Barrett Jr. is a Canadian professional basketball player for the New York Knicks of the National Basketball Association (NBA). A shooting guard and small forward, he was selected third overall in the 2019 NBA Draft by the New York Knicks after one year with the Duke Blue Devils program under coach Mike Krzyzewski.

Jackson Yee is a Chinese singer, dancer and actor. After a talent manager discovered him at a children talent competition, where he performed a hip-hop dance, and signed to TF Entertainment, Yee became the youngest member of the Chinese boy band TFBoys in 2013.

Manuel Turizo Zapata, better known as Manuel Turizo and by the acronym MTZ, is a Colombian reggaeton singer. Born and raised in Montería, he began making music at age thirteen. He rose to popularity with his single "Una Lady Como Tú" (2016). He released his debut album ADN on August 23, 2019. Turizo's music contains influences from pop music, trap, and vallenato and his vocal range has been classified as baritone.

Bo Nix is an American football quarterback for the Auburn Tigers.

María Emilia Mernes Rueda, known professionally as Emilia Mernes, or by the stage name as Emilia, is an Argentine singer, songwriter, dancer, model and actress signed to Sony Latin. Emilia is represented in management by the company Walter Kolm Entertainment. She began her solo career with the release of the single "Recalienta". She was later recognized for her hit "No Soy Yo" with Puerto Rican singer Darell. She is considered a promise of urban-pop music.

Sebastian Korda is an American tennis player. He won the junior title at the 2018 Australian Open, 20 years after his father won senior Australian Open. Korda has a career-high ATP singles ranking of No. 88 achieved on February 1, 2021.

Casey Thompson is an American football quarterback for the Texas Longhorns.

Enes Meral, better known by his stage name Mero, is a Turkish and German rapper.