Heterodontonyx is a genus of spider wasps.

Heterodontonyx contains the following species:

  • Heterodontonyx solomonis
  • Heterodontonyx darwinii
  • Heterodontonyx erythroura
  • Heterodontonyx fulvidorsalis
  • Heterodontonyx wahisi
  • Heterodontonyx tuberculatus
  • Heterodontonyx commixtus
  • Heterodontonyx praepositus
  • Heterodontonyx distinctus
  • Heterodontonyx bicolor
  • Heterodontonyx australis