Ciechanów (disambiguation)

Ciechanów may mean:
 * Ciechanów, a town in Masovian Voivodeship, east-central Poland
 * Ciechanów, Lower Silesian Voivodeship in Gmina Jemielno, Góra County in Lower Silesian Voivodeship, south-western Poland
 * Ciechanów Voivodeship (1975–1998), an administrative division superseded by the Masovian Voivodeship, Poland
 * Ciechanow Commune, a rural administrative district in Ciechanów County, Poland
 * Ciechanów County, an administrative district in Masovian Voivodeship, east-central Poland
 * Ciechanów District (1939–1945), an administrative region created when Nazi Germany annexed Poland