List of Famous people who are 21

Yunus Akgün is a Turkish professional footballer who plays as a midfielder for Adana Demirspor on loan from Galatasaray.

Anthony Leslie Rowland "Tony" Buckingham is a former North Sea oil-rig diver and is currently an oil industry executive with a significant share holding in Heritage Oil Corporation. Heritage is listed on the Toronto Stock Exchange since 1999. In 2008, Heritage listed on the London Stock Exchange. Buckingham's direct and indirect share holding is estimated to represent 33% of Heritage. This share was reduced in November 2007 via a share placement made through JP Morgan and Canaccord.

Tim Haines is a screenwriter, producer and director who is best known for his work on the BBC popular science shows Walking with Dinosaurs, Walking with Beasts, and Walking with Monsters. He is co-creator and executive producer of the ITV sci-fi drama Primeval, and founder of the production company Impossible Pictures.