Nine zerconid mite species belonging to the genera Prozercon Sellnick, 1944 and Zercon C. L. Koch, 1839 were collected from Papuk Mts., North Croatia. Eight of them – Prozercon fimbriatus (C. L. Koch, 1839); Prozercon rafalskii Błaszak, 1971; Prozercon sellnicki Halašková, 1963; Prozercon tragardhi (Halbert, 1923); Zercon gurensis Mihelčič, 1962; Zercon hungaricus Sellnick, 1958; Zercon peltatus C. L. Koch, 1836; Zercon spatulatus C. L. Koch, 1839 – are new to the fauna of Croatia, and one, Zercon kontschani sp. nov., proved to be new to science as well.