Coscinum
{{Short description|Genus of flies}}
{{Taxobox
| regnum = Animalia
| phylum = Arthropoda
| classis = Insecta
| ordo = Diptera
| familia = Ulidiidae
| subfamilia = Ulidiinae
| tribus = Pterocallini
| genus = Coscinum
| genus_authority = Hendel, 1909
| subdivision_ranks =
| subdivision =
}}
Coscinum is a genus of picture-winged flies in the family Ulidiidae.{{Cite journal |last=Vasconcelos |first=Ana C O |last2=Wendt |first2=Lisiane D |last3=de Carvalho |first3=Claudio J B |date=2021 |title=Phylogenetic relationships of picture‐winged flies of the tribe Pterocallini (Diptera: Ulidiidae) inferred from a morphological analysis |url=https://onlinelibrary.wiley.com/doi/10.1111/aen.12534 |journal=Austral Entomology |language=en |volume=60 |issue=2 |pages=330–350 |doi=10.1111/aen.12534 |issn=2052-174X}}