Porrhothele quadrigyna is a species of Mygalomorphae spider endemic to New Zealand.

This species was described in 1968 by Ray Forster from numerous female specimens throughout the Northland region.

[1] The holotype is stored at Te Papa Museum under registration number AS.000094.

[1] This species is found in the Northland region of New Zealand.

[3][4] Under the New Zealand Threat Classification System, this species is listed as Not Threatened.