Port - Psal
- Port Alegre, Diocese of
- Port Augusta
- Port Louis
- Port of Spain
- Port Victoria
- Port-au-Prince
- Port-Royal
- Porta, Carlo
- Porta, Giacomo della
- Portable Altar
- Portalegre
- Porter
- Porter (Doorkeeper)
- Porter, George
- Portiuncula
- Portland
- Portland, Maine
- Porto Alegre
- Porto and Santa-Rufina
- Porto Rico
- Portoviejo
- Portraits of the Apostles
- Portsmouth
- Portugal
- Portugues East Africa
- Portuguese East Africa
- Portuguese Literature
- Portuguese West Africa
- Positivism
- Poss.
- Possenti, Blessed Gabriel
- Possession, Demonical
- Possevinus, Antonius
- Possidius, Saint
- Post-Reformation Catholic Dukes of Norfolk
- Postcommunion
- Postgate, Nicholas
- Postulant
- Postulation
- Potawatomi Indians
