Ciechanów Voivodeship (Polish: województwo ciechanowskie) was a unit of administrative division and local government in Poland in years 1975–1998, superseded by the Masovian Voivodeship. Its capital city was Ciechanów.
Coordinates: 52°52′53″N 20°36′59″E / 52.881365°N 20.616324°E