Jovan Ovčarević (Serbian Cyrillic: Јован Овчаревић; fl.
He was a member of the Ovčarević family, a notable Serb family in Habsburg service in the 16th century, and was a kinsman or descendant of the earlier Petar Ovčarević (fl.
1521–41), a Šajkaši commander and spy, and relative of contemporaries Mihailo Ovčarević (fl.
1550–79), a Šajkaši commander, and Dimitrije Ovčarević (fl.
[1][2] Jovan Ovčarević was mentioned as accompanying a mission to the sultan in 1557,[3] being in the entourage of Vrančić and Franja Zaj while they were legates in Constantinople.