Mihailo (Serbian Cyrillic: Михаило) or Mihajlo (Михајло) is a Slavic masculine given name, a variant of the Hebrew name Michael. Common as a given name among Slavs, it is an uncommon surname. It may refer to:
Mihailo Vojislavljević (fl. 1050–d. 1081)), King of DukljaMihailo Ovčarević (fl. 1550–79), Habsburg Serb commanderMihailo Đurić (b. 1925), Serbian philosopher, retired professor, and academicMihailo Janković (d. 1976), Serbian architectMihailo Jovanović (b. 1975), Serbian footballerMihailo Lalić (1914–1992), Montenegrin novelistMihailo Marković (1927-2010), Serbian philosopherMihailo Merćep (1864–1937), Serb flight pioneerMihailo Obrenović (1823–1868), Prince of SerbiaMihailo Petrović (1868–1943), Serbian mathematician and inventorMiraš Dedeić or Metropolitan Mihailo (b. 1938), head of the Montenegrin Orthodox Church