C
- (Province of Samar) Costa Rica
- (Province of Samar) Corregidor
- (Province of Eastern Samar) Corotan
- (Province of Leyte) Coronado
- (Province of Northern Samar) Coroconog
- (Province of Northern Samar) Corocolabug
- (Province of Samar) Carocauyan
- (Province of Northern Samar) Coroc
- (Province of Northern Samar) Coral Island
- (Province of Eastern Samar) Coral Island
- (Province of Southern Leyte) Consolacion
- (Province of Samar) Cansolabao
- (Province of Eastern Samar) Conloterio
- (Province of Samar) Concord
- (Province of Eastern Samar) Concepcion
- (Province of Samar) Concepcion
- (Province of Samar) Concepcion
- (Province of Eastern Samar) Concepcion
- (Province of Southern Leyte) Concepcion
- (Province of Southern Leyte) Concepcion
- (Province of Samar) Conant
- (Province of Leyte) Cunalum
- (Province of Southern Leyte) Combone
- (Province of Leyte) Combis
- (Province of Leyte) Comatin
- (Province of Leyte) Colisao
- (Province of Eastern Samar) Colayhon
- (Province of Northern Samar) Colarema
- (Province of Northern Samar) Colab-og
- (Province of Eastern Samar) Cogtun