List of Famous people who are 21

Réka Madarász is a Hungarian badminton player who competes in international level events. She is a bronze medalist at the European U17 Badminton Championships in 2016.

Robert Salerno is an American film producer, best known for being a producer of the film 21 Grams with Alejandro González Iñárritu. In 2005, he partnered with producer Naomi Despres to form the production company, Artina Films.

Eliot Kennedy is an English songwriter and record producer based in Sheffield. He has worked with artists such as the Spice Girls, Mary J. Blige, Donny Osmond, Bryan Adams, Lulu, S Club 7, Five, Gary Barlow, Delta Goodrem, The Wanted, Janet Devlin, Lovers Electric, and Brazilian group Rouge.

Tsukui Moe is a Japanese rugby union player. She plays for Yokogawa Musashino Atlastars, and Japanese national team. She competed at the 2017 Asia Rugby Women's Championship and the 2017 Rugby World Cup. She was selected in Japan's squad for the 2021 Rugby World Cup in New Zealand.

Laurence Bennett is an American production designer. He was nominated for an Academy Award in the category Best Production Design for the film The Artist.

Julie Monroe is an American film editor best known for having been one of director Oliver Stone's 'hot shot' group of up-and-coming film editors.