List of Famous people who are 21

Landry Bender is an American actress. She is known for playing the role of Cleo Bernstein in the Disney XD series Crash & Bernstein, and playing Blithe Pedulla in the 2011 film The Sitter. Bender played one of the lead roles, Cyd, in the 2015–2016 Disney Channel sitcom Best Friends Whenever. In 2017, she started playing Jackson Fuller's girlfriend Rocki in the Netflix original series, Fuller House.

Henning Matriciani is a German footballer who plays as a right-back for Schalke 04.

Nancy Jewel McDonie, known professionally as Nancy (Korean: 낸시), is a Korean-American singer, actress, and host. She is a member of the South Korean girl group Momoland, which was formed on November 10, 2016, through the Mnet's reality survival show Finding Momoland.

Jonathan "Jonty" Learoyd is a French ski jumper. He also has a British citizenship as both his parents originate from London.

Sandy Madeleine Baltimore is a French professional footballer who plays as a forward for Division 1 Féminine club Paris Saint-Germain and the France national team.

Ayumu Seko is a Japanese footballer who plays for Cerezo Osaka.

Tyler Edtmayer is a German skateboarder. He has competed in men's park events at several World Skate Championships, finishing 24th in 2018 and 18th in 2019.

Arthur Leclerc is a Monegasque racing driver. He is the younger brother of Scuderia Ferrari Formula One driver Charles Leclerc, and a member of Ferrari Driver Academy.