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

[1] This species was described in 1968 by Ray Forster from male and female specimens in the northern South Island.

The abdomen is purple with chevron patterns dorsally.

[1] This species is only known from Nelson and Marlborough Sounds of New Zealand.

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