Authors born in 1981
- Bitsie Tulloch Actress, 1981
- Blake Lewis Singer-Songwriter, 1981
- Bob Sanders Football Player, 1981
- Bojana Novakovic Actress, 1981
- Boyd Holbrook Actor, 1981
- Brandi Carlile Singer, 1981
- Brandon Flowers Singer, 1981
- Brandon Victor Dixon Actor, 1981
- Brea Grant Actress, 1981
- Brendan Fevola Football Player, 1981
- Brendan Fletcher Actor, 1981
- Brett Finch Rugby Union Player, 1981
- Brett Young Singer, 1981
- Brian Bonsall Musician, 1981
- Brian Celio Novelist, 1981
- Brian Chesky Businessman, 1981
- Brian Elwin Haner Jr. Musician, 1981
- Brian J. Smith Stage Actor, 1981
- Britney Spears Singer, 1981
- Brittany Finamore Actress, 1981
- Brooklyn Sudano Actress, 1981
- Bryce Dallas Howard Actress, 1981
- Cameron Esposito Comics Artist, 1981
- Cameron Winklevoss Entrepreneur, 1981
- Carl Crawford Baseball Player, 1981
- Carl Webb Rugby Union Player, 1981
- Carla Korbes Dancer, 1981
- Carlos Andres Gomez Actor, 1981
- Carlos Boozer Basketball Player, 1981
- Carrie Coon Actress, 1981
- Casey Neistat Television Personality, 1981
- Cecelia Ahern Writer, 1981
- Celina Jaitly Actress, 1981
- Chad Michael Murray Actor, 1981
- Charles Kelley Singer-Songwriter, 1981
- Charles Tillman American Football Player, 1981
- Charlie Bewley Actor, 1981
- Charlotte Riley Actress, 1981
- Cherie Piper Hockey Forward, 1981
- Chinelo Okparanta Writer, 1981