Khrzhanovsky/Khrzhanovskiy (, ; masculine) or Khrzhanovskaya (; feminine) is a Russian surname of Polish origin. People with the last name include:
Andrei Khrzhanovsky (born 1939), Russian animator and filmmaker Andrey Khrzhanovskiy (born 1998), known as Andrey X, Russian-Israeli journalist and activist Ilya Khrzhanovsky (born 1975), Russian filmmaker Olga Khrzhanovskaya (born 1980), Russian volleyball player
See also Chrzanowski