Encyclopedias, Almanacs, Transcripts, and Maps
- Porter, Arthur Kingsley
- Porter, George, Baron Porter of Luddenham
- Porter, Horace
- Porter, Rodney Robert
- Porterville
- Portland (town, England)
- Pôrto
- Porto Bello
- Porto Rico
- Porto Torres
- Pôrto Velho
- Portocarrero, Luis Manuel Fernández de
- Portoferraio
- Portofino
- Portuguese East Africa
- Portuguese Guinea
- Portuguese India
- Portuguese literature
- Portuguese West Africa
- portulaca