Pseudotyrannochthonius bornemisszai is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1966 by Austrian arachnologist Max Beier.
The species occurs in Gippsland, Victoria in tall forest habitats. The type locality is Boolarra in the Latrobe Valley.
The pseudoscorpions are terrestrial predators that inhabit plant litter.