Kosyzkyj
Kosyzkyj (Ukrainian Козицький ) is the surname of:
- Hryhorij Kosyzkyj ( Григорій Васильович Козицький ; 1724–1775), Ukrainian writer and translator and statesman of the Russian Empire
- Mykola Kosyzkyj ( Микола Григорович Козицький ; 1880–1920), Soviet revolutionary and politician
- Pylyp Kosyzkyj (1893–1960), Ukrainian composer and musicologist