The dusky jawfish (Opistognathus whitehursti) is a species of jawfish native to the western Atlantic Ocean including the Gulf of Mexico and the Caribbean Sea where it is an inhabitant of reefs at depths of from 1 to 12 metres (3.3 to 39.4 ft).

It can reach a length of 14 centimetres (5.5 in) TL.

This species can also be found in the aquarium trade.

[2] The specific name honours Dr. D. D. Whitehurst, a collector of specimens for the Smithsonian Institution, one of which was the type specimen of this species.

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