Nyssodesmus
{{Short description|Genus of millipedes}}
{{Taxobox
| image=Nyssodesmus python.jpg
| image_caption=Nyssodesmus python
| regnum = Animalia
| phylum = Arthropoda
| subphylum = Myriapoda
| classis = Diplopoda
| ordo = Polydesmida
| familia=Platyrhacidae
| genus=Nyssodesmus
| genus_authority=Cook, 1896
}}
Nyssodesmus is a genus of flat-backed millipedes in the family Platyrhacidae. About a dozen species have been described, all native to Central America, occurring from Nicaragua to Panama.{{cite journal|last=Hoffman |first=R. L. |title=Checklist of the millipeds of North and Middle America |journal=Virginia Museum of Natural History Special Publications |year=1999 |volume=8 |pages=1–553}} pp. 378-379