Parasiro is a genus of harvestmen belonging to the family Parasironidae with one described species. It is found in Southwestern Europe.
The genus Parasiro was described by Hansen & Sørensen 1904, with the type species Cyphophthalmus corsicus Simon, 1872. The genus included three species for many years, but subsequently has been reduced back to just the single type species.
This species belong to the genus Parasiro:
The genus is masculine.