Encyclopedias, Almanacs, Transcripts, and Maps
- Price, Reynolds
- Prichard
- prickly pear
- Priene
- Prim, Juan
- Prime Ministers of Great Britain ( (table))
- prime mover
- Primo de Rivera, José Antonio
- Primula
- Prince Albert National Park
- Prince Edward Island National Park
- Prince of Wales, Cape
- Prince William Forest Park
- prince's pine
- Princes Islands
- principle of indeterminacy
- Printz, Johan Björnsson
- Pripet
- Pripyat
- Priscillian