Common Suriname toad 
Condoto Stubfoot Toad 
Convict Treefrog 
Coorg Yellow Bush Frog 
Copan Stream Frog 
Cope's gray tree frog 
Copper-cheeked Frog 
Corroboree Frog 
Corrugated Frog 
Corrugated Water Frog 
Couch's Spadefoot 
Cranwells horned frog 
Craugastor raniformis 
Craugastor rupinius 
Crested toad 
Crested Toad 
Cross Backed Bush Frog 
Cross Toad 
Crowned Bullfrog 
Crucifix Toad 
Cuban tree frog 
Cururu Toad 
Dainty green tree frog 
Dark Green Toad