Namea excavans is a species of mygalomorph spider in the family Anamidae. It is endemic to Australia. It was described in 1984 by Australian arachnologist Robert Raven.
The species occurs in south-eastern Queensland in closed forest habitats. The type locality is Mount Glorious, in the D'Aguilar Range, near Brisbane. It is also known from Mount Mee.
The spiders are fossorial, terrestrial predators.