| Named By: | Harry Seeley in 1870 | 
| Time Period: | Late Jurassic, 152 Ma | 
| Location: | Germany. France | 
| Size: | 135 centimetre wingspan | 
| Diet: | unavailable | 
| Fossil(s): | Several specimens | 
| Classification: | | Chordata | Reptilia | Pterosauria | Pterodactyloidea | Ctenochasmatoidea | | 
| Also known as: | | Cycnorhamphus canjuersensis | Gallodactylus canjuersensis | Gallodactylus suevicus | Pterodactylus eurychirus | Pterodactylus suevicus | Pterodactylus wurttembergicus | | 
Cycnorhamphus (meaning "swan beak") is a genus of ctenchasmatoid pterodactyloid pterosaur from the Late Jurassic of France and Germany. It is probably synonymous with the genus Gallodactylus.