Authors born in 1971
- John Wozniak Musician, 1971
- Johnny Knoxville Actor, 1971
- Jon Hamm Actor, 1971
- Jonathan Davis Singer, 1971
- Jonathan Ke Quan Actor, 1971
- Jonny Greenwood Musician, 1971
- Jorge Cruise Author, 1971
- Jorge Posada Baseball Player, 1971
- Josh Charles Actor, 1971
- Josh Elliott Journalist, 1971
- Josh Lucas Actor, 1971
- Joshua Prager Journalist, 1971
- Juan Campodónico Musician, 1971
- Jud Wilhite Pastor, 1971
- Justin Trudeau Prime Minister , 1971
- Kambri Crews Producer, 1971
- Karen McDougal Actor, 1971
- Karin Slaughter Writer, 1971
- Karl Böhm Artist, 1971
- Kaskade Club Dj, 1971
- Kate Dickie Stage Actor, 1971
- Kate Orff Founder, 1971
- Katharine Viner Journalist, 1971
- Katie Finneran Actress, 1971
- Katt Williams Actor, 1971
- Kaye Dacus Author, 1971
- Keegan Connor Tracy Actress, 1971
- Keegan-Michael Key Actor, 1971
- Kenneth Choi Actor, 1971
- Kenny Cunningham Athlete, 1971
- Kevin Rahm Actor, 1971
- Kevin Richardson Musician, 1971
- Kevin Scott Richardson Singer-Songwriter, 1971
- Kimberly Williams-Paisley Actress, 1971
- Kiran Desai Author, 1971
- Kirk Acevedo Actor, 1971
- Kris Carr Author, 1971
- Krista Allen Actress, 1971
- Kristi Noem Politician, 1971
- Kristi Yamaguchi Figure Skater, 1971