Encyclopedias, Almanacs, Transcripts, and Maps
- Jacob Cats
- Jacob von Königshofen
- Jacobs, Aletta
- Jacobs, Harriet Ann
- Jacobus Clemens non Papa
- Jacqueline Lee Bouvier Kennedy Onassis
- Jacques Offenbach
- Jacques Parizeau
- Jacques Piccard
- Jade Emperor
- Jadidism
- Jadids
- Jaëll, Marie Trautmann
- Jägers (Jaegers)
- Jagiellon Dynasty (Poland-Lithuania)
- Jahan, Nur
- Jail Fever
- Jaime L. Sin
- Jaime Paz Zamora
- Jakob and Wilhelm Karl Grimm