Similar to Template:Country_flag_alias_Dutch_Republic
 - Template:Country flag alias CEFTA
 - Template:Country flag alias CENTO
 - Template:Country flag alias Central (SRI)
 - Template:Country flag alias Central (PNG)
 - Template:Country flag alias Central African Republic
 - Template:Country flag alias Central Bohemia
 - Template:Country flag alias Central Ethiopia
 - Template:Country flag alias Centre
 - Template:Country flag alias Centro Sur
 - Template:Country flag alias Cesar
 - Template:Country flag alias Ceuta
 - Template:Country flag alias CEY
 - Template:Country flag alias CGO
 - Template:Country flag alias COG1970
 - Template:Country flag alias CHA
 - Template:Country flag alias Chaco
 - Template:Country flag alias Chad
 - Template:Country flag alias Champagne-Ardenne
 - Template:Country flag alias CHE
 - Template:Country flag alias Chechnya
 - Template:Country flag alias Chelyabinsk
 - Template:Country flag alias Cherkasy
 - Template:Country flag alias Chernihiv
 - Template:Country flag alias Chernivtsi
 - Template:Country flag alias CHI
 - Template:Country flag alias Chiapas
 - Template:Country flag alias Chihuahua
 - Template:Country flag alias Bouvet Island