Eroii de la Rovine ("The Heroes of Rovine") is a one-act opera composed by Nicolae Bretan. The libretto is by Bretan, based on the poem "Scrisoarea III" (Letter III) by Mihai Eminescu, inspired by the Battle of Rovine between Wallachia and the Ottoman Empire. The piece received its world premiere on 24 January 1935 at the Romanian Opera, Cluj, where it was revived in 1987.