Authors born in 1948
- John William Cummings Guitarist, 1948
- Johnny Ray Ryder Writer, 1948
- Jonathan Sacks Rabbi, 1948
- Joschka Fischer Politician, 1948
- Jose Rodriguez Intelligence Officer, 1948
- Joseph Henry "T Bone" Burnett III Record Producer, 1948
- Juan Felipe Herrera Poet, 1948
- Judith Miller Journalist, 1948
- Judy Geeson Actress, 1948
- Julia Cameron Teacher, 1948
- Kapil Sibal Lawyer, 1948
- Kate Bornstein Author, 1948
- Kate Cruise O'Brien Writer, 1948
- Kate Jackson Actress, 1948
- Kate Pierson Singer, 1948
- Kathleen Battle Opera Singer, 1948
- Kathleen Sebelius Businesswoman, 1948
- Kathy Bates Actress, 1948
- Kathy Reichs Writer, 1948
- Keith Carter Photographer, 1948
- Keith Godchaux Pianist, 1948
- Kem Nunn Novelist, 1948
- Kenneth Blackwell Politician, 1948
- Kenneth R. Miller Scientist, 1948
- Kenny Loggins Singer-Songwriter, 1948
- Kenny Troutt Businessman, 1948
- Kent Conrad Politician, 1948
- Khalifa bin Zayed Al Nahyan Politician, 1948
- Klaus Meine Singer, 1948
- LaDonna Adrian Gaines Singer, 1948
- Lalita Tademy Author, 1948
- Lalu Prasad Yadav Politician, 1948
- Larry Bishop Screenwriter, 1948
- Larry Harvey Activist, 1948
- Lars Larsen Businessman, 1948
- Laurence Yep Writer, 1948
- Leo Sayer Singer-Songwriter, 1948
- Leroy "Lonnie" Jordan Singer-Songwriter, 1948
- Leslie Marmon Silko Writer, 1948
- Lester Bangs Journalist, 1948