Kruszewski (feminine: Kruszewska; plural: Kruszewscy) is a Polish surname. Notable people with the surname include:

Ignacy Kruszewski (1799–1879), Polish military leader Kenneth Kruszewski (born 1948), American politician Mikołaj Kruszewski (1851–1887), Polish linguist Paul Kruszewski (born 1967), Canadian AI researcher Ronald Kruszewski (born 1958), American business executive Stefan P. Kruszewski, American psychiatrist and whistleblower

See also