Dernbach may refer to:
Places in the German states of Rhineland-Palatinate and Hesse Dernbach (Neuwied), a village in the county of Neuwied, Rhineland-Palatinate Dernbach (Pfalz), a village in the county of Südliche Weinstraße, Rhineland-Palatinate Dernbach (Westerwald), a village in the county of Westerwaldkreis, Rhineland-Palatinate Dernbach (Bad Endbach), a village in municipality of Bad Endbach in the county of Marburg-Biedenkopf, Hesse Dernbach, a village in the municipality of Friesenhagen im Altenkirchen county, Rhineland-Palatinate
Rivers in the German state of Rhineland-Palatinate Dernbach (Eisbach), feeder of the Queich tributary, the Eisbach, in Rhineland-Palatinate Dernbach (Elbbach), feeder of the Lahn tributary, the Elbbach in Rhineland-Palatinate
People with that surname Jade Dernbach (born 1986), English cricketer Angela Gehann-Dernbach (born 1958), German conductor, singer and organist Balthasar von Dernbach (1548–1606), German cleric, prince-abbot of Fulda Peter Philipp von Dernbach (1619–1683), prince-bishop of Würzburg and Duke of Franconia (1675–1683) John C. Dernbach, environmentalist and professor of law