Viscounts | Titles by Rank
- Viscounts of Pondouvre
- Viscounts of Pontac
- Viscounts of Pontaudemer
- Viscounts of Ponte da Barca
- Viscounts of Ponte e Sousa
- Viscounts of Ponte Ferreira
- Viscounts of Ponte Ferreira-I
- Viscounts of Pontevès
- Viscounts of Ponton d' Amécourt
- Viscounts of Porhoët
- Viscounts of Porhoet
- Viscounts of Portalegre
- Viscounts of Portes
- Viscounts of Portilho
- Viscounts of Porto Alegre
- Viscounts of Porto Covo da Bandeira
- Viscounts of Porto da Cruz
- Viscounts of Porto Formoso
- Viscounts of Porto Martins
- Viscounts of Porto Salvo
- Viscounts of Porto Seguro
- Viscounts of Portocarreiro
- Viscounts of Portocarrero
- Viscounts of Pottelsberghe
- Viscounts of Poulpiquet du Halgouët
- Viscounts of Povoença
- Viscounts of Prados
- Viscounts of Praia
- Viscounts of Praia Grande de Macau
- Viscounts of Priego
- Viscounts of Prime
- Viscounts of Proença Vieira
- Viscounts of Proença-a-Velha
- Viscounts of Queluz
- Viscounts of Queluz
- Viscounts of Quincey
- Viscounts of Quinta da Alegria
- Viscounts of Quinta das Canas
- Viscounts of Quinta de São Tomé
- Viscounts of Quinta do Ferro
- Viscounts of Quixiramobim
- Viscounts of Rambouillet
- Viscounts of Ravel
- Viscounts of Real Agrado
- Viscounts of Reboleiro
- Viscounts of Rebordosa
- Viscounts of Recife
- Viscounts of Regaleira
- Viscounts of Régua
- Viscounts of Reguengo