Encyclopedias, Almanacs, Transcripts, and Maps
- Juan Sebastián de Elcano
- Juba II
- Judaism, Bioethics in
- Judd, Pearl (1908-1967)
- Judge, William Q(uan) (1851-1896)
- Judith, Anodea (1952-)
- Juice Fasts
- Jules Emile Péan
- Jules Hardouin-Mansart
- Jules Jean Baptist Vincent Bordet
- Jules-Henri Poincaré
- Jules-Henri Poincaré
- Jules-Sébastien-César Dumont d'Urville
- Julia Bowman Robinson
- Julia's Bureau
- Julian Feldman
- Julian Seymour Schwinger
- Julien Offroy de La Mettrie
- Julius Arthur Nieuwland
- Julius Axelrod