Ciechanowski

Ciechanowski (feminine: Ciechanowska; plural: Ciechanowscy) is a Polish-language surname associated with locations named Ciechanów in Poland, most probably the town of Ciechanów. The surname is Russified as Tsekhanovsky.

The surname may refer to:
 * Damian Ciechanowski (born 1996), Polish professional footballer
 * , Polish official, chairman of the Office for War Veterans and Victims of Oppression
 * Jan Ciechanowski (1887-1973), Polish diplomat, ambassador to the United States between 1940 and 1945
 * Waldemar Ciechanowski, a former singer from Polish rock band Quidam
 * Mikhail Tsekhanovsky (1889-1965), Soviet animated film director