List of Famous people who are 21

Sun Yingsha is a female Chinese table tennis player.

Vitor Gabriel Claudino Rego Ferreira, commonly known as Vitor Gabriel, is a Brazilian footballer who currently plays for Campeonato Brasileiro Série A club Flamengo.

Marco Jansen is a South African cricketer. He made his List A debut for North West in the 2017–18 CSA Provincial One-Day Challenge on 8 April 2018. He made his first-class debut for North West in the 2018–19 CSA 3-Day Provincial Cup on 11 October 2018. His twin brother, Duan, also plays cricket for North West.

Sven Botman is a Dutch professional footballer who plays as a defender for Ligue 1 club Lille. He has represented the Netherlands at youth levels U15 through U20.

Kim Hyang-gi is a South Korean actress.

Makur Maker is a South Sudanese-Australian college basketball player for the Howard Bison of the Mid-Eastern Athletic Conference (MEAC). A consensus five-star recruit, he committed to play college basketball for Howard, becoming the highest-ranked player in the modern recruiting era to commit to a historically black college or university (HBCU). Born in Nairobi, Kenya, Maker grew up in Perth, Western Australia, before playing high school basketball in North America. He is the cousin of basketball players Thon and Matur Maker.

Shōsei Togō is a professional Japanese baseball player. He plays pitcher for the Yomiuri Giants.

Ricardo "Ricky" Vela is an American songwriter and keyboardist for the band Selena y Los Dinos.

Birta Abiba Þórhallsdóttir is an Icelandic model and beauty pageant titleholder who was crowned Miss Universe Iceland 2019. She represented Iceland at Miss Universe 2019, where she placed in the top 10.

Brendan James Penny is a Canadian film and television actor who first became well known to TV audiences as A.J. Varland in the first season of Whistler that aired in Canada from 2006 to 2008. He is perhaps best known as Detective Brian Lucas in Motive, a Canadian crime drama centred on a team of Vancouver homicide detectives, also starring Kristin Lehman, Louis Ferreira and Lauren Holly, which aired from 2013 to 2016. Brendan currently stars as Kevin O'Brien in the Hallmark Channel family drama series Chesapeake Shores, which premiered on August 14, 2016. He has also been the hero of a number of Hallmark originals.