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Look up číž in Wiktionary, the free dictionary.
Ciz is a surname. The Czech and Slovak form Číž (feminine: Čížová) refers to the Eurasian siskin (Spinus spinus). The surname is related to Čížek, as well as Czyż (Polish cognate) and Chyzh (Belarusian).
Notable people with this surname include:
- Adam Číž (born 1991), Czech basketball player
- Diego Ciz (born 1981), Uruguayan footballer
- Miroslav Číž (1954–2022), Slovak politician