Authors born in 1963
- John Michael Higgins Actor, 1963
- John Prendergast Human Rights Activist, 1963
- John R. Bush Vocalist, 1963
- John Stamos Actor, 1963
- Johnny Depp Actor, 1963
- Johnny Marr Singer-Songwriter, 1963
- Jon Brion Singer-Songwriter, 1963
- Jon Gruden American Football Manager, 1963
- Jonathan Haidt Psychologist, 1963
- Jose Mourinho Football Player, 1963
- Joseph Prince Pastor, 1963
- Joy Covey Business Executive, 1963
- Juan Ramon Lopez Caro Football Manager, 1963
- Junior Reid Musician, 1963
- K. A. Paul Author, 1963
- Kai Ryssdal Journalist, 1963
- Karen Brown Cricketer, 1963
- Karen Hawkins Author, 1963
- Karen Kingsbury Journalist, 1963
- Karl Lauterbach Scientist, 1963
- Karl Malone Basketball Player, 1963
- Karrin Allyson Vocalist, 1963
- Kate Klise Writer, 1963
- Katherine Lynne Bjelland Singer, 1963
- Kathleen McGowan Author, 1963
- Kathy Ireland Actress, 1963
- Katie McGinty Public Servant, 1963
- Keith Ellison Politician, 1963
- Keith Matthew Thornton Musician, 1963
- Ken Caminiti Athlete, 1963
- Kenny Johnson Actor, 1963
- Kevin Chamberlin Actor, 1963
- Kevin Mitnick Author, 1963
- Kevin Munro Doctor, 1963
- Kristine Carlin Bay Journalist, 1963
- Larry the Cable Guy Stand-Up Comedian, 1963
- Lars Ulrich Musician, 1963
- Laurell K. Hamilton Writer, 1963
- Lauren Holly Actress, 1963
- Lauren Tarshis Author, 1963