Barons | Titles by Rank
- Barons of Nant et de Cubry
- Barons of Nazaré
- Barons of Neaufle
- Barons of Nédonchel
- Barons of Neipperg
- Barons of Nelas
- Barons of Nesselrode
- Barons of Nesselrode-Ereshoven
- Barons of Nettelhorst
- Barons of Neuberg
- Barons of Neuburg e Gutenhaag
- Barons of Neudegg
- Barons of Neuen-Lempach
- Barons of Neufbourg
- Barons of Neuhaus
- Barons of Nevele
- Barons of Nevogilde
- Barons of Nexon
- Barons of Nicolay
- Barons of Nielle
- Barons of Niemans
- Barons of Nióaque
- Barons of Nogueira da Gama
- Barons of Noirmoutier
- Barons of Nonoaí
- Barons of Nora
- Barons of Noronha
- Barons of Nossa Senhora da Luz
- Barons of Nossa Senhora da Oliveira
- Barons of Nossa Senhora da Saúde
- Barons of Nossa Senhora da Vitória da Batalha
- Barons of Nossa Senhora das Mercês
- Barons of Nova Friburgo
- Barons of Nova Sintra
- Barons of Novais
- Barons of Noyelles
- Barons of Nules
- Barons of O' Fard de La Grange
- Barons of Ockham
- Barons of Oer
- Barons of Oeynhausen
- Barons of Offenheim
- Barons of Oiselet
- Barons of Okehampton
- Barons of Oldershausen
- Barons of Oleiros
- Barons of Oliveira
- Barons of Oliveira
- Barons of Oliveira Castro
- Barons of Oliveira Castro