Alexander of Serbia may refer to:
Prince Alexander of Serbia (1806–1885), reigned 1842 to 1858 King Alexander I of Serbia (1876–1903), reigned 1889 to 1903 King Alexander I of Yugoslavia (1888–1934), reigned 1921 to 1934 Prince Alexander of Yugoslavia (1924–2016), son of Prince Regent Paul of Yugoslavia Alexander, Crown Prince of Yugoslavia (born 1945), current pretender Prince Alexander of Yugoslavia (born 1982), son of Crown Prince Alexander of Yugoslavia
See also Alexander of Yugoslavia