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 Duklja
Mihailo Ovčarević (fl. 1550–79), Habsburg Serb commander
Mihailo Đurić (b. 1925), Serbian philosopher, retired professor, and academic
Mihailo Janković (d. 1976), Serbian architect
Mihailo Jovanović (b. 1975), Serbian footballer
Mihailo Lalić (1914–1992), Montenegrin novelist
Mihailo Marković (1927-2010), Serbian philosopher
Mihailo Merćep (1864–1937), Serb flight pioneer
Mihailo Obrenović (1823–1868), Prince of Serbia
Mihailo Petrović (1868–1943), Serbian mathematician and inventor
Miraš Dedeić or Metropolitan Mihailo (b. 1938), head of the Montenegrin Orthodox Church
