Lugdunum is a classical Roman place name, most commonly referring to one of two places: Lugdunum, Gaul; now Lyon, France Lugdunum Batavorum, a castellum on the mouth of the Rhine river near Katwijk, Netherlands Other places: Lugdunum Convenarum, now Saint-Bertrand-de-Comminges, France Lugdunum Clavatum, now Laon, France Lugdunum Consoranorum, now Saint-Lizier, France Lugdunum may also refer to: Lugdunum (museum), formerly the Gallo-Roman Museum of Lyon-Fourvière, in Lyons, France Lugdunum Server, a server software for the EDonkey network