Pachymerinus froggatti is a species of centipede in the Geophilidae family. It is endemic to Australia, and was first described in 1912 by French myriapodologist Henry Wilfred Brolemann.
The original description of this species is based on a single male specimen measuring 28 mm in length with 55 pairs of legs.
The species occurs in coastal New South Wales and Queensland.
The centipedes are solitary terrestrial predators that inhabit plant litter, soil and rotting wood.