List of Famous people who are 21

Roberto Carlos de la Rosa González is a Mexican professional footballer who plays as a forward for Liga MX club Pachuca.

Valentin Ivaylov Antov is a Bulgarian professional footballer who plays for Serie A club Bologna, on loan from CSKA Sofia. Primarily a defensive midfielder, he can also play as a centre-back.

Luisa Christine Geiselsöder is a German professional basketball player. She had previously played for the German Women's Bundesliga side BG Donau-Ries and the German national basketball team.

Mohsen al-Sukkari, is an Egyptian former police officer who, on 28 July 2008 murdered the well-known Lebanese artist Suzanne Tamim in Dubai, UAE on orders of Egyptian business tycoon and member of the Egyptian Parliament Hisham Talaat Moustafa in return for $2 million paid by Moustafa, according to statements made by the murderer to the investigators in Cairo.

Kevin Sessa is a German footballer who plays as a midfielder for 1. FC Heidenheim.

Bae Jin-young is a South Korean singer. He is a member of South Korean boy group CIX, and a former member of boy group Wanna One, after finishing tenth in the final rankings of Produce 101 season 2. Following Wanna One's disbandment, Bae Jinyoung debuted in CIX in July 2019.

Malika El Aroud is a Moroccan terror activist with ties to al-Qaeda known for her writings on the Internet.

Maurice Compte is a Cuban American actor known for his roles as Gaff in Breaking Bad, Santiago "Big Evil" Flores in End of Watch, and as Colonel Carrillo in Narcos.

Stef Dawson is an Australian actress. She portrayed Annie Cresta in The Hunger Games: Mockingjay – Part 1 and Part 2. She also made a cameo appearance in The Hunger Games: Catching Fire.

Itaru Hinoue is the pseudonym of a Japanese artist from Osaka, Japan, who is one of the founding members of the visual novel brand Key under VisualArt's. Hinoue's choice of her pseudonym stems from the manga C by Shō Kitagawa; the protagonist in the manga was named Itaru Amano . Before forming Key, Hinoue worked for the company Tactics where she had a hand in the creation of the company's three games: Dōsei, Moon, and One: Kagayaku Kisetsu e. After forming Key, Hinoue has become known for her work on such titles as Kanon, Air and Clannad. Her dōjinshi circle is known as "Soldier Frog". In September 2016, Hinoue resigned from Key and VisualArt's.