Historians, Miscellaneous: Biographies
- Joseph Mayer Rice
- Joseph-Louis Louis Lagrange
- Joy Adamson
- Joy Kogawa
- Juanita Kidd Stout
- Judy Blume
- Julia Morgan
- Julius Lester
- June Jordan
- Justus Freiherr von Liebig
- Karl Rahner
- Karl Spencer Lashley
- Kathleen Lonsdale
- Kazimir Severinovich Malevich
- Khanty
- Kimberly Elise
- Konrad Zuse
- Konstantin Mikhailovich Simonov
- Konstantin Petrovich Pobedonostsev
- Konstantin Stepanovich Melnikov