Barons | Titles by Rank
- Barons of Paquetá
- Barons of Paraguassu
- Barons of Paraíba
- Barons of Paraibúna
- Barons of Paraim
- Barons of Paraitinga
- Barons of Paramirim
- Barons of Paraná
- Barons of Paranapanema
- Barons of Paranapiacaba
- Barons of Parangaba
- Barons of Paranhos
- Barons of Paraopeba
- Barons of Paraúna
- Barons of Parcq
- Barons of Pardaillan
- Barons of Pardines
- Barons of Parima
- Barons of Parnaíba
- Barons of Parnaíba-I
- Barons of Parnamirim
- Barons of Partanna
- Barons of Passagem
- Barons of Passé
- Barons of Passeio Público
- Barons of Passos
- Barons of Paternoy
- Barons of Pati do Alferes
- Barons of Pati do Alferes-I
- Barons of Patow
- Barons of Patrocínio
- Barons of Patterson
- Barons of Pau
- Barons of Paulin
- Barons of Paulo Cordeiro
- Barons of Paúlos
- Barons of Pawel-Rammingen
- Barons of Payrebrune de Saint-Sève
- Barons of Pedra Branca
- Barons of Pedra Negra
- Barons of Pedro Afonso
- Barons of Peixoto Serra
- Barons of Pelheim
- Barons of Pelotas
- Barons of Penalva
- Barons of Penedo
- Barons of Penha
- Barons of Penmarc'h
- Barons of Perafita
- Barons of Peralta