Cohors secunda Gallorum veterana equitata ("2nd part-mounted veteran Cohort of Gauls") was a Roman auxiliary mixed infantry and cavalry regiment. The regiment was probably constituted under Augustus, the founder of the Roman empire (r. 30 BC - AD 14). It was originally recruited from natives of Gallia Lugdunensis (northern/central France). In Britannia, the regiment garrisoned, from 178 at the latest, the fort at Old Penrith (Cumbria).