Chudniv (Ukrainian: Чуднів, IPA: [ˈtʃudniu̯] ⓘ; Polish: Cudnów; Yiddish: טשודנאוו; Russian: Чуднов) is a city in Zhytomyr Raion, Zhytomyr Oblast, Ukraine.

[1] Grand Duchy of Lithuania 1471–1569 Polish–Lithuanian Commonwealth 1569–1793 Russian Empire 1793–1917 Ukrainian People's Republic 1917-1918 Ukrainian State 1918 Directory of Ukraine 1918-1919 Soviet Ukraine 1920-1922 Soviet Union 1922–1991 Nazi Germany 1941–1944 (occupation) Ukraine 1991–present A significant battle of the Russo-Polish War (1654–1667) was fought near the town in 1660, followed by a treaty between the Polish–Lithuanian Commonwealth and the Cossacks, named after the city.

In 1866 Polish Romantic-era novelist Henryk Rzewuski died in Chudniv.

During World War II, the Germans occupied the town and kept the Jews imprisoned in a ghetto.

In 1941, they were murdered in mass executions perpetrated by an Einsatzgruppen of German policemen.