Encyclopedias, Almanacs, Transcripts, and Maps
- Ophuels, Max
- Opler, Marvin Kaufmann
- Opler, Morris Edward
- Opoczno
- Opole Lubelskie
- Oppé, Adolph Paul
- Oppen, George
- Oppenheim
- Oppenheim
- Oppenheim
- Oppenheim (Oppenheimer), David ben Abraham
- Oppenheim, ?ayyim
- Oppenheim, Beer ben Isaac
- Oppenheim, David
- Oppenheim, Hermann
- Oppenheim, Jacques
- Oppenheim, James
- Oppenheim, Joachim
- Oppenheim, Lassa Francis Lawrence
- Oppenheim, Moritz Daniel