Hieronim is the Polish form of Hieronymus and may refer to: Adam Hieronim Sieniawski, Polish–Lithuanian noble Adam Hieronim Sieniawski, Polish noble Dominik Hieronim Radziwiłł, Lithuanian nobleman Hieronim Augustyn Lubomirski, Polish noble, magnate, politician and military commander Hieronim Barczak, Polish footballer Hieronim Chodkiewicz, Vilnius ciwun in 1542 Hieronim Czarnowski, Polish chess master and activist Hieronim Dekutowski, a Polish boyscout and soldier, who fought in Polish September Campaign Hieronim Florian Radziwiłł, Polish-Lithuanian szlachcic Hieronim Jarosz Sieniawski, Polish noble Hieronim Morsztyn, Polish poet Hieronim Radziejowski, Polish szlachcic Hieronim Wietor Wikipedia