Zhirov () is a Russian male surname. Its feminine counterpart is Zhirova. The surname is derived from the word жир (zhir, meaning "fat") and may refer to:
Vassiliy Jirov (born 1974), Kazakh boxer Aleksandr Zhirov (1958–1983), Soviet alpine skier Aleksandr Zhirov (born 1991), Russian footballer Andrei Zhirov (born 1971), Russian footballer and coach Nikolay Zhirov, Soviet bobsledder (1903-1970), Russian chemist primarily known for his monographs Atlantida about Atlantis Yevgeny Zhirov, Russian footballer Marina Zhirova (born 1963), Russian sprinter