Heteronyx
{{short description|Genus of beetles}}
{{About|a genus of scarab beetles|a name used formerly to describe a genus of birds|Heteromirafra|a genus of spider wasps|Pompilinae}}
{{Taxobox
| image = Heteronyx - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBAINV0274 020 04 0015.tif
| image_caption =
| regnum = Animalia
| phylum = Arthropoda
| classis = Insecta
| ordo = Coleoptera
| superfamilia = Scarabaeoidea
| familia = Scarabaeidae
| subfamilia = Melolonthinae
| genus = Heteronyx
}}
Heteronyx is a genus of beetles in the family Melolonthidae found in Australia, Melanesia and South America.{{cite journal |last=Britton |first=E. B. |year=2000 |journal=Invertebrate Systematics |title=A review of Heteronyx Guérin-Méneville (Coleoptera: Scarabaeidae: Melolonthinae). Invertebrate taxonomy |volume=14 |issue=4 |page=465 |issn=1445-5226 |doi=10.1071/IT98009}}{{Cite journal|last=Williams|first=Geoff|year=2002|title=A Taxonomic and Biogeographic Review of the Invertebrates of the Central Eastern Rainforest Reserves of Australia (CERRA) World Heritage Area, and Adjacent Regions|url=http://australianmuseum.net.au/uploads/journals/17932/1353_complete.pdf|journal=Technical Reports of the Australian Museum|volume=16|pages=26–27}}
Over three hundred species have been described in the genus Heteronyx, including: