Authors born in 1977
- Jordana Spiro Actress, 1977
- Jorma Taccone Actor, 1977
- Josh Mandel Politician, 1977
- Josh Stewart Actor, 1977
- Josh Turner Singer, 1977
- Justin Hartley Actor, 1977
- Kal Penn Actor, 1977
- Kalisha Buckhanon Author, 1977
- Kalup Linzy Performance Artist, 1977
- Kanye West Singer, 1977
- Kari Miller Volleyball Player, 1977
- Kari Wahlgren Voice Actor, 1977
- Karin Tidbeck Author, 1977
- Kate Zambreno Writer, 1977
- Kateryna Serebrianska Rhythmic Gymnast, 1977
- Katherine Howe Novelist, 1977
- Katherine Moennig Actress, 1977
- Katherine Shindle Actress, 1977
- Katheryn Winnick Actress, 1977
- Katie Noonan Singer-Songwriter, 1977
- Keak da Sneak Rapper, 1977
- Keariene Muizz Painter, 1977
- Kehinde Wiley Painter, 1977
- Kelli White Sprinter, 1977
- Kelly Reilly Actress, 1977
- Kensuke Kita Singer, 1977
- Kenyon Martin Athlete, 1977
- Kerri Strug Gymnast, 1977
- Kerry Washington Actress, 1977
- Kevin DeYoung Theologian, 1977
- Kevin Rose Entrepreneur, 1977
- Kiele Sanchez Actress, 1977
- Kristin Gore Author, 1977
- Kristoffer Polaha Actor, 1977
- Kyle Abraham Choreographer, 1977
- Laila Ali Boxer, 1977
- Lana Parrilla Actor, 1977
- Lapo Elkann Entrepreneur, 1977
- Laura Moser Politician, 1977
- Laura Wade Writer, 1977