Barons | Titles by Rank
- Barons of Capanema
- Barons of Capelinha
- Barons of Capiberibe
- Barons of Capivari
- Barons of Capivari-I
- Barons of Capriati e Guardia Lombarda
- Barons of Carandaí
- Barons of Carapebus
- Barons of Carbonnières
- Barons of Carcamo
- Barons of Cargill
- Barons of Caria
- Barons of Carini
- Barons of Carloo
- Barons of Carlsberg
- Barons of Carmo
- Barons of Carmo-I
- Barons of Carnap
- Barons of Caruaru
- Barons of Carvalho Borges
- Barons of Casa Branca
- Barons of Casa Davalillo
- Barons of Casa Ferrándiz
- Barons of Casa Forte
- Barons of Casais do Douro
- Barons of Casal
- Barons of Casalinho
- Barons of Casalvasco
- Barons of Cascalho
- Barons of Castania
- Barons of Castelbajac
- Barons of Castelcicala
- Barons of Castelfranco
- Barons of Castellar
- Barons of Castellví de Rosanes
- Barons of Castelnau
- Barons of Castelo
- Barons of Castelo Branco
- Barons of Castelo de Paiva
- Barons of Castelo Novo
- Barons of Castille
- Barons of Castillo de Burjasenia
- Barons of Castillo de Chirel
- Barons of Castle Bromwich
- Barons of Castries
- Barons of Castro
- Barons of Castro Daire
- Barons of Castro Lima
- Barons of Castro Silveira
- Barons of Castrocucco