Enischorhynchus (Greek for "slender snout") is an extinct genus of prehistoric marine ray-finned fish that lived during the Late Cretaceous.

It contains a single species, E. dallasensis from the late Santonian or early Campanian-aged Austin Formation of southern Texas, USA.

[1] It was a member of the Plethodidae, a dominant family of nektonic fish during the mid-late Cretaceous.

It shows close morphological similarities and may be related to Concavotectum and Bachea.

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