Authors born in 1949
- Jonathan Kellerman Psychologist, 1949
- Joni Eareckson Tada Author, 1949
- Jorge Bucay Psychotherapist, 1949
- Jorge M. Perez Real Estate Developer, 1949
- Jose Ramos-Horta Politician, 1949
- Joseph C. Wilson Diplomat, 1949
- Joyce Banda Politician, 1949
- Joyce DeWitt Actress, 1949
- Judith Light Actress, 1949
- Julia Barr Actress, 1949
- Kanan Makiya Scientist, 1949
- Kari Stefansson Neurologist, 1949
- Katarina Kruhonja Activist, 1949
- Kate O'Beirne Editor, 1949
- Katha Pollitt Journalist, 1949
- Kathy Calvin Chief Executive Officer, 1949
- Katy Butler Journalist, 1949
- Kay Coles James Public Servant, 1949
- Keith Best Politician, 1949
- Keith Carradine Actor, 1949
- Ken Follett Author, 1949
- Ken Wilber Writer, 1949
- Kgalema Motlanthe Politician, 1949
- Khil Raj Regmi Politician, 1949
- Kiran Bedi Social Activist, 1949
- Lamar Williams Musician, 1949
- Larry Drake Film Actor, 1949
- Larry Holmes Boxer, 1949
- LaTanya Richardson Actress, 1949
- Lauren Shuler Donner Film Producer, 1949
- Laurie Simmons Artist, 1949
- Lawyer Author, 1949
- Leigh Steinberg Businessman, 1949
- Leon Redbone Singer-Songwriter, 1949
- Lesley Lawson Model, 1949
- Leslie Easterbrook Actress, 1949
- Leslie Moonves Executive Director, 1949
- Linda Lael Miller Author, 1949
- Linda Tripp Civil Servant, 1949
- Lindsay Wagner Film Actor, 1949