Ciechanowski
Ciechanowski ({{IPA|pl|tɕɛxaˈnɔfski}}; 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
- {{Interlanguage link multi|Jan Stanisław Ciechanowski|pl}}, 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
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