Earls, Counts | Titles by Rank
- Counts of Castela
- Counts of Castelbajac
- Counts of Castelbarco
- Counts of Castelbellotta
- Counts of Castelflorit
- Counts of Castell
- Counts of Castell-Castell
- Counts of Castell-Remlingen
- Counts of Castell-Rüdenhausen
- Counts of Castellá
- Counts of Castellana
- Counts of Castellane
- Counts of Castellane-Novejean
- Counts of Castellar
- Counts of Castellengo
- Counts of Castelluccio
- Counts of Castelnuovo
- Counts of Castelo
- Counts of Castelo Branco
- Counts of Castelo de Paiva
- Counts of Castelo Melhor
- Counts of Castelo Mendo
- Counts of Castelo Mendo
- Counts of Castelo Novo
- Counts of Castelo Rodrigo
- Counts of Castelromano
- Counts of Castelvecchio
- Counts of Castelvetrano
- Counts of Castiglione Tinella
- Counts of Castilleja de Guzman
- Counts of Castillejo
- Counts of Castillejo de Alazores
- Counts of Castillo
- Counts of Castillo de Cuba
- Counts of Castillo de la Mota
- Counts of Castillo de Vera
- Counts of Castle Stewart
- Counts of Castres
- Counts of Castries
- Counts of Castrillo
- Counts of Castro
- Counts of Castro
- Counts of Castro Daire
- Counts of Castro e Solla
- Counts of Castro Guimarães
- Counts of Castro Marim
- Counts of Castro Minas
- Counts of Castrogeriz
- Counts of Castrogeriz
- Counts of Castrogeriz-II