List of Famous people who are 21

Sam Winans is an American film and television composer. He studied music theory in college and privately with Merv Kennedy, a jazz musician, and then studied orchestration with Spud Murphy, creator of the Equal Interval System (EIS). His music has appeared on TV shows such as Lizzie McGuire, Harts of the West, Flight 29 Down, Happily Ever After: Fairy Tales for Every Child, and Kids Incorporated, and the 1988 animated feature Pound Puppies and the Legend of Big Paw.

Sam Hill is an American television director and television producer. He is best known for his directing and producing work on the television series CSI: Miami. His other directing credits include CSI: NY, Cult, Body of Proof, Almost Human, Believe, Forever and Scorpion.

Junna Sakai, better known by her stage name JUNNA (じゅんな), is a Japanese singer managed by Cube Inc. and signed to FlyingDog.