Third Balkan War may refer to:
Balkan Front (World War I) of World War I in the 1910s Yugoslav Wars, or any of the individual wars, stemming from the breakup of Yugoslavia in the 1990s
See also Balkan Wars, prior to World War I from 1912 to 1913 First Balkan War, 1912–1913 war between the Balkan League and the Ottoman Empire Second Balkan War, 1913 war between Bulgaria and Balkan states