List of Famous people who are 21

Lorne Peterson is a Canadian special effects artist most known for the Indiana Jones and Star Wars films.

Matthew Michael Carnahan is an American screenwriter who wrote the feature film The Kingdom (2007), and the film adaptation of the hit BBC television drama serial State of Play. Carnahan also wrote the screenplay for Lions for Lambs for United Artists. His brother is Joe Carnahan, who wrote and directed Narc (2002), Smokin' Aces (2006) and The A-Team (2010).

Danil Igorevich Prutsev is a Russian football player who plays as a central midfielder for PFC Krylia Sovetov Samara.

Andrew Jarecki is an American filmmaker, musician, and entrepreneur. He is best known for the Emmy-winning 2015 documentary series The Jinx: The Life and Deaths of Robert Durst, which led to the arrest and imprisonment of Durst. He is also known for the documentary film Capturing the Friedmans, which won eighteen international prizes including the Grand Jury Prize at the Sundance Film Festival and the New York Film Critics Circle award, and was nominated for an Academy Award. He also co-founded Moviefone and created the KnowMe iOS platform.

Alessandro Del Mar is an Italian pornographic film director and actor who is also known under the names "Max Bellochio", "Max Bollecchio" and "Toni Montana". He has directed over 200 films since 1993.

Nour Mhanna is a Syrian singer.

Christopher Stanley is an American film and television actor, best known for his role as the politician Henry Francis, the second husband of Betty Francis played by January Jones on Mad Men. After a recurring role in the third and fourth seasons, he is a main cast member in the fifth, sixth and seventh seasons. He appeared in the Ben Affleck-directed film Argo.

Reo Yasunaga is a Japanese professional footballer who plays as a midfielder for Yokohama FC.