List of Famous people who are 21

Tom B. Rosenberg (1947/1948) is an American film producer, co-founder of Beacon Pictures; and founder and chairman of Lakeshore Entertainment. He is a recipient of the 2004 Academy Award for Best Picture for the film Million Dollar Baby.

Eugene Jarecki is an American filmmaker and author. He is best known as a two-time winner of the Sundance Grand Jury Prize, as well as multiple Emmy and Peabody Awards, for his films Why We Fight, Reagan, and The House I Live In.

Stray Kids is a South Korean boy band formed by JYP Entertainment through the 2017 reality show of the same name. The group is composed of eight members: Bang Chan, Lee Know, Changbin, Hyunjin, Han, Felix, Seungmin, and I.N.

Ben Grossmann is a visual effects supervisor in Los Angeles, California. He won an Oscar award for Hugo in 2012.

Michael Okuda is an American graphic designer best known for his work on Star Trek.

Xavier Tolsa is a Catalan mathematician, specializing in analysis.

Tobias Holck Colding is a Danish mathematician working on geometric analysis, and low-dimensional topology.

Marie Line, also known as Marie Line Marolany or Maro Lany, is a French singer who took part in the Eurovision Song Contest 1998 for France with the song "Où aller".

Khalil Abdul-Rahman Hazzard, professionally known as DJ Khalil, is an American music producer and DJ from Los Angeles, California. Khalil is the instrumental half of the hip hop duo Self Scientific and a member of the group The New Royales, which also includes Liz Rodrigues, Erik Alcock and Pranam Chin Injeti. He produced the albums Recovery and The Marshall Mathers LP 2 by the rapper Eminem, as well as the multi-platinum single "The Man" by Aloe Blacc. He is the third born son of former UCLA player and coach and NBA player Walt Hazzard.