Namea jimna is a species of mygalomorph spider in the Anamidae family. It is endemic to Australia. It was described in 1984 by Australian arachnologist Robert Raven.
The species occurs in south-eastern Queensland, including the Jimna Range, in closed forest habitats. The type locality is Mount Cabinet. It is also known from Mount Bauple near Maryborough.
The spiders are fossorial, terrestrial predators.