List of Famous people who are 21

Femke Meines is a Dutch singer and actress. Meines began her career at age 12, when she represented the Netherlands in the Junior Eurovision Song Contest 2012, placing seventh. From 2016 to 2017, Meines portrayed Liz in the Disney Channel Netherlands & Flanders series Just Like Me!.

Rita Ryack is a costume designer who was nominated for an Academy Award for Best Costume Design at the 73rd Academy Awards for her work in How the Grinch Stole Christmas. She was also nominated for a Tony Award at the 37th Tony Awards for My One and Only, and was nominated for the award again in 2014, for Casa Valentina. She received a further nomination at the 62nd Primetime Emmy Awards for the film You Don't Know Jack.

Gregory S. Butler is an American visual effects supervisor. He graduated from Suffield High School in 1989 and afterwards entered Hampshire College. Despite his initial plans to study history, a work-study job with the audiovisual equipment in the library made him interested in film production. Butler graduated in 1993 with a major in film, television and theater design. Afterwards he moved to California to work for Industrial Light and Magic for 9 months, where after intern work he managed to become an assistant in the effects department, starting with assistant credits in The Mask and Forrest Gump. Following a job at Rocket Science Games until the company's bankruptcy in 1996, Butler went to Tippett Studio and did effects work in Starship Troopers and My Favorite Martian, rising up to a technical director job, and Cinesite for Practical Magic. While reluctant at the requirement of moving to New Zealand, Butler was convinced by his writer-actor brother Jared to jump at the opportunity of working for Weta Digital in The Lord of the Rings. His biggest achievement was working in the creation of Gollum. Butler also worked as a computer graphics supervisor on I, Robot before an invitation to work as an effects supervisor for the Moving Picture Company, in London. He continues on MPC, but is now on the Vancouver office. On January 24, 2012, he was nominated for an Oscar for Harry Potter and the Deathly Hallows – Part 2. In 2020, he received his second Academy Award nomination, and first win, for Best Visual Effects, for the 2019 film, 1917, at the 92nd Academy Awards.

Glenn Farr is a film and TV editor who was one of the five film editors to win the Academy Award for Best Film Editing during the 56th Academy Awards for the film The Right Stuff. He shared his win with Lisa Fruchtman, Tom Rolf, Stephen A. Rotter and Douglas Stewart.