Jovan Sundečić (Serbian Cyrillic: Јован Сундечић) (24 June 1825 – 1900), was a Serbian poet from Livno, Bosnia and Herzegovina, priest of the Serbian Orthodox Church and a secretary of Prince Nikola I of Montenegro. He is most famous for writing lyrics of contemporary anthem of Montenegro Ubavoj nam Crnoj Gori (To Our Beautiful Montenegro).
Sundečić was born in the village of Golinjevo, near Livno, Pashaluk of Bosnia, Ottoman Empire. His family is of the Šundić brotherhood from Župa near Nikšić in Old Herzegovina. After finishing the Orthodox Seminary in Zadar, Dalmatia province of the Austrian Empire and becoming a priest, he was assigned parish priest and teacher to the Serb colony of Peroj in Istria, Austrian Littoral. After working as a professor at the Zadar Seminary, he became famous as a "priest-poet" and political and national activist, because of which he decided to move to Montenegro. Prince Nicholas I named him his personal secretary in 1864, a post on which Jovan worked until his retirement in 1874, though he remained honorary secretary until his death.