Mihailo Ovčarević (Serbian Cyrillic: Михаило Овчаревић; fl. 1550–79) was a Habsburg Serb vojvoda (commander) of the Šajkaši (river flotilla). Mihailo Ovčarević belonged to the Ovčarević family, a notable Serb family in Habsburg service in the 16th century, and was a relative of the earlier Petar Ovčarević (fl. 1521–41), a Šajkaši commander and spy, and contemporaries Dimitrije Ovčarević (fl. 1552–66), captain of Gyula, and Jovan Ovčarević (fl. 1557), an emissary. He is mentioned in 1550 as a vojvoda of the Šajkaši. After a denunciation, Emperor Ferdinand I had Mihailo imprisoned, where he stayed for several months until having proved his innocence. As compensation, Ferdinand I issued him a yearly 50 gold coins, which was then changed to 25. In 1557 he asked the War Council to appoint him a