Synsphyronus gurdoni is a species of pseudoscorpion in the Garypidae family.

It was described in 2015 by Australian arachnologist Mark Harvey.

The specific epithet gurdoni honours John Gurdon for his contributions to developmental biology.

[1] The species occurs in North West Australia.

The type locality is Barrow Island off the Pilbara coast, where the pseudoscorpions were found in plant litter and soil across the eastern part of the island.