Gigantactis vanhoeffeni is a species of marine ray-finned fish belonging to the family Gigantactinidae, the whipnose anglers.

This species has a circumglobal distribution in the deeper waters of the Atlantic, Indian and Pacific Oceans.

Gigantactis vanhoeffeni was first formally described in 1902 by the German zoologist August Brauer with its type locality given as east of Zanzibar at 5°42'S, 43°36'E in the western Indian Ocean.

The specific name honours Ernst Vanhöffen, a German zoologist who studied jellyfish on the Valdivia Expedition.

[2] Gigantactis vanhoeffeni is found in the tropical and temperate parts of the Atlantic, Indian and Pacific Oceans where it lives at depths between 500 and 5,300 m (1,600 and 17,400 ft).