Waldnaab is a river in the Upper Palatinate in Bavaria, Germany.
Waldnaab may also refer to:
Altenstadt an der Waldnaab, a municipality in the district Neustadt an der Waldnaab in Bavaria, Germany Neustadt an der Waldnaab, a municipality in Bavaria, Germany, and capital of the eponymous district Neustadt an der Waldnaab (district), a district in Bavaria, Germany