Danube Valley Railway (German: Donautalbahn) may refer to:
the Donaueschingen–Immendingen section of the Black Forest Railway (Baden) the Immendingen–Tuttlingen section of the Plochingen–Immendingen railway the Tuttlingen–Inzigkofen railway the Inzigkofen–Sigmaringen section of the Tübingen–Sigmaringen railway the Ulm–Sigmaringen railway the Ulm–Neuoffingen section of the Ulm–Augsburg railway the Ingolstadt–Neuoffingen railway the Regensburg–Ingolstadt railway