Rhamphinion (meaning "beak nape"; Greek rhamphos, "beak" is a common part of "rhamphorhynchoid" names, and the remains of this animal came from the rear of the skull, i.e. "nape" or inion) is a genus of pterosaurs from the Sinemurian-mid Pliensbachian-age Lower Jurassic Kayenta Formation of northeastern Arizona, United States.