Hieronim is the Polish form of Hieronymus and may refer to:
- Adam Hieronim Sieniawski (1576âÂÂ1616) (1576âÂÂ1616), PolishâÂÂLithuanian noble
- Adam Hieronim Sieniawski (1623âÂÂ1650) (1623âÂÂ1650), Polish noble
- Dominik Hieronim RadziwiÃ
ÂÃ
 (1786âÂÂ1813), Lithuanian nobleman
- Hieronim Augustyn Lubomirski (1647âÂÂ1706), Polish noble (szlachcic), magnate, politician and military commander
- Hieronim Barczak (born 1953), Polish footballer
- Hieronim Chodkiewicz (1500âÂÂ1561), Vilnius ciwun in 1542
- Hieronim Czarnowski (1834âÂÂ1902), Polish chess master and activist
- Hieronim Dekutowski (1918âÂÂ1949), a Polish boyscout and soldier, who fought in Polish September Campaign
- Hieronim Florian RadziwiÃ
ÂÃ
 (1715âÂÂ1760), Polish-Lithuanian szlachcic
- Hieronim Jarosz Sieniawski (1516âÂÂ1579), Polish noble
- Hieronim Morsztyn (1581âÂÂ1623), Polish poet
- Hieronim Radziejowski (1612âÂÂ1667), Polish szlachcic
- Hieronim Wietor (ca. 1480–1546/47), printer in Vienna and Kraków
- Hieronim Wincenty RadziwiÃ
ÂÃ
 (1759âÂÂ1786), Polish-Lithuanian nobleman
- Hieronim WoÃ
ÂÃ
Âowicz of Bogorya Coat of Arms, born in 16th century, Lithuanian vice-chancellor and Lithuanian grand treasurer
- MichaÃ
 Hieronim RadziwiÃ
ÂÃ
 (1744âÂÂ1831), Lithuanian noble, Knight of the Order of the White Eagle
- MichaÃ
 Hieronim KrasiÃ
Âski (1712âÂÂ1784), Polish noble, cupbearer of StÃÂÃ
¼yca, podkomorzy of RóÃ
¼an, starosta of Opiniogóra
- MikoÃ
Âaj Hieronim Sieniawski (1645âÂÂ1683), Polish noble (szlachcic), military leader, politician
- WÃ
ÂadysÃ
Âaw Hieronim Sanguszko (1803âÂÂ1870), Polish noble (szlachcic), conservative politician