Krzhizhanovsky (feminine: Krzhizhanovskaya) is a Russian surname derived from Polish Krzyżanowski. Notable persons with that name include:
Gleb Krzhizhanovsky (1872–1959), Soviet economist Sigizmund Krzhizhanovsky (1887–1950), Russian short-story writer Zinaida Krzhizhanovskaya, (1869–1948), Russian revolutionary
See also
Krzyżanowski, original Polish spelling of the surname Kryzhanovsky