Chyzh () or Chizh () is an East Slavic surname referring to the Eurasian siskin (Spinus spinus). It is equivalent to the Polish surname Czyż and the Czech surname Číž. Notable people with this surname include:
Aleksandr Chizh (born 1997), Belarusian footballer Aleksandr Chizh (footballer, born 2002), Belarusian footballer Maksim Chizh (born 1993), Belarusian footballer Yury Chyzh (born 1963), Belarusian businessman
See also Chizh & Co, Russian rock band