There are three Jewish cemeteries in Ciechanowiec.
First one, located on Sienkiewicza street, was founded in 19th century. Last known burial was in 1918. The cemetery acreage is over 2ha, it's covered with weeds and no gravestones remained.
The second cemetery is completely destroyed.
Third one is located on Uszynska street. It's acreage is 1531m² It's built over.