Megachile fortis
{{short description|Species of leafcutter bee (Megachile)}}
{{speciesbox
| image = Megachile fortis (side) from Badlands National Park, South Dakota - USGS Bee Inventory and Monitoring Laboratory.jpg
| status = G2
| status_system = TNC
|genus=Megachile
|species=fortis
|authority=Cresson, 1872}}
Megachile fortis is a species of bee in the family Megachilidae.{{cite web|url=https://www.biolib.cz/en/formsearch/?action=execute&searcharea=1&string=megachile|title=Megachile|year=2014|work=BioLib|accessdate=10 October 2014}} It was described by Cresson in 1872.