Paris - Île-de-France
- Casson
- Cassotti
- Cassoulet
- Cassourra
- Cassourret
- Cassouto-lhenry
- Cassule
- Cassut
- Cassuto Rozencwajg
- Castagliuolo
- Castagnac
- Castagnas
- Castagnau
- Castagne-hequet
- Castagnedoli
- Castagner
- Castagnera
- Castagnie
- Castagno
- Castagnol
- Castagnola
- Castagnoli
- Castagnos
- Castagné
- Castaigne Meary
- Castaignos
- Castaingt
- Castajon
- Castaldini
- Castalone
- Castamagne
- Castan Bouttier
- Castan Vicente
- Castanal
- Castanares
- Castanarez
- Castandet-le Bris
- Castaned
- Castaneda Mariano
- Castaneda Sanchez
- Castang
- Castang-dupont Franç
- Castanheira de Sousa
- Castanheira Soares Tomas
- Castanho David
- Castanho Lucas
- Castanias
- Castanie
- Castano Diaz
- Castano Galvis
- Castano Garcia
- Castano Quintero
- Castano Rave
- Castanopoulos
- Castanos
- Castebert
- Castede
- Castedo
- Casteelano
- Casteillan
- Castein
- Casteja Lozé
- Castejon Blanchard
- Castel Jordy
- Castel-anton
- Castelan
- Castelanelli
- Castelas
- Castelbajac
- Casteleiro Ramiro
- Castelet
- Casteleyn
- Castelin
- Castelin Jacquemin
- Castella Sabate
- Castellami
- Castellanet
- Castellano Doumbia
- Castellanos Matute
- Castellar Carayol
- Castellaro
- Castellet
- Castelli Aleardi
- Castellini
- Castellino
- Castello-lopes
- Castellorizios
- Castellote
- Castells Llorca
- Castelluccia
- Castelnau Naeimi
- Castelnau-pereira
- Castelneau
- Castelo Branco
- Castelo Huerta
- Casteloot
- Castelruiz
- Castenfelt
- Casteran Biau
- Casteran Dupouy