Dzierżoniów [d͡ʑerˈʐɔɲuf] (German: Reichenbach [ˈʁaɪ̯çn̩bax] or Reichenbach im Eulengebirge; from 1945-1946 Polish: Rychbach) is a town in southwestern Poland. It is situated in Lower Silesian Voivodeship (from 1975–1998 it was in the former Wałbrzych Voivodeship).