| Cabanac-Cazaux |
| Cabanac-Séguenville |
| Cadours |
| Caignac |
| Calmont |
| Cambernard |
| Cambiac |
| Canens |
| Capens |
| Caragoudes |
| Caraman |
| Carbonne |
| Cardeilhac |
| Cassagnabère-Tournas |
| Cassagne |
| Castagnac |
| Castagnède |
| Castanet-Tolosan |
| Castelbiague |
| Castelgaillard |
| Castelginest |
| Castelmaurou |
| Castelnau-Picampeau |
| Castelnau-d'Estrétefonds |
| Casties-Labrande |
| Castillon-de-Larboust |
| Castillon-de-Saint-Martory |
| Castéra-Vignoles |
| Cathervielle |
| Caubiac |
| Caubous |
| Caujac |
| Cazac |
| Cazaril-Tambourès |
| Cazarilh-Laspènes |
| Cazaunous |
| Cazaux-Layrisse |
| Cazeaux-de-Larboust |
| Cazeneuve-Montaut |
| Cazères |
| Cessales |
| Charlas |
| Chaum |
| Chein-Dessus |
| Ciadoux |
| Cier-de-Luchon |
| Cier-de-Rivière |
| Cierp-Gaud |
| Cintegabelle |
| Cirès |
| Clarac |
| Clermont-le-Fort |
| Colomiers |
| Cornebarrieu |
| Corronsac |
| Coueilles |
| Couladère |
| Couret |
| Cox |
| Cugnaux |
| Cuguron |
| Cépet |
