Chlorion is a genus of parasitoid wasps in the family Sphecidae. Species have been recorded from the Americas, Africa and tropical Asia through to Java; they appear to prey mostly on Orthopteran insects.

Species: The Global Biodiversity Information Facility lists:
# Chlorion aerarium Steel-blue Cricket Hunter Wasp
# Chlorion boharti
# Chlorion consanguineum
# Chlorion cyaneum
# Chlorion funereum
# Chlorion gratiosum
# Chlorion hemiprasinum
# Chlorion hemipyrrhum
# Chlorion hirtum
# Chlorion lobatum - type species (as Sphex lobatus )
# Chlorion magnificum
# Chlorion maxillosum – African cricket hunter wasp
# Chlorion migiurtinicum
# Chlorion mirandum
# Chlorion regale
# Chlorion semenowi
# Chlorion splendidum
# Chlorion strandi
# Chlorion striatum
# Chlorion viridicoeruleum