Viscounts | Titles by Rank
- Viscounts of Parnaíba
- Viscounts of Parscau du Plessix
- Viscounts of Passadiço
- Viscounts of Passé
- Viscounts of Passos
- Viscounts of Paulin
- Viscounts of Pedra Branca
- Viscounts of Pedralva
- Viscounts of Pedroso
- Viscounts of Pedroso da Silva
- Viscounts of Pedroso de Albuquerque
- Viscounts of Pelotas
- Viscounts of Peña de Francia
- Viscounts of Penalva de Alva
- Viscounts of Peñaparda de Flores
- Viscounts of Penedo
- Viscounts of Penha
- Viscounts of Penn
- Viscounts of Peralada
- Viscounts of Pereira
- Viscounts of Pereira e Cunha
- Viscounts of Pereira Machado
- Viscounts of Pereira Marinho
- Viscounts of Perellós
- Viscounts of Perellos
- Viscounts of Perném
- Viscounts of Pernes
- Viscounts of Pérusse
- Viscounts of Peso da Régua
- Viscounts of Peso de Melgaço
- Viscounts of Piedade
- Viscounts of Piedade
- Viscounts of Pimentel
- Viscounts of Pindamonhangaba
- Viscounts of Pindela
- Viscounts of Pinhal
- Viscounts of Pinheiro
- Viscounts of Pinheiro-br
- Viscounts of Pinhel
- Viscounts of Pinto da Rocha
- Viscounts of Pirajá
- Viscounts of Pirapitinga
- Viscounts of Piratinim
- Viscounts of Plaintel
- Viscounts of Podentes
- Viscounts of Poiares
- Viscounts of Polignac
- Viscounts of Pomarão
- Viscounts of Pommerit
- Viscounts of Pondouvre