Prince Alexander may refer to:

• Alexander, a character from the King's Quest series of video games
• Alexander Cambridge, 1st Earl of Athlone, born as Prince Alexander of Teck
• Alexander Karađorđević, Prince of Serbia (r. 1842–1858)
• Alexander Mountbatten, 1st Marquess of Carisbrooke, born as Prince Alexander Albert of Battenberg (1886–1960)
• Alexander of Bulgaria, born as Alexander Joseph of Battenberg (1857–1893)
• Alexander I of Serbia (1876–1903), King of Serbia
• Alexander I of Yugoslavia (1888–1934), King of Yugoslavia
• Prince Alexander of Hesse and by Rhine (1823–1888)
• Prince Alexandre of Belgium, Alexander Emmanuel Henry Albert Marie Léopold (1942–2009)
• Prince Alexander of Denmark (1903–1991), later became King Olav V of Norway
• Prince Alexander von Fürstenberg (born 1970)
• Prince Alexander of Georgia (1770–1844)
• Prince Alexander of Hohenlohe-Waldenburg-Schillingsfürst (1794–1849)
• Prince Alexander of Imereti (1674–1711)
• Prince Alexander of Imereti (1760–1780)
• Prince Alexander of Kartli (1726–1791)
• Prince Alexander of Kartli (died 1711)
• Prince Alexander of Kartli (died 1773)
• Prince Alexander of Liechtenstein (1929–2012)
• Willem-Alexander, King of the Netherlands
• Prince Alexander of the Netherlands (1818–1848)
• Prince Alexander of Prussia (1820–1896)
• Prince Alexander Ferdinand of Prussia (1912–1985)
• Prince Alexander Romanov (1929–2002)
• Alexander, Prince of Saxony (born 1954)
• Prince Alexander of Sweden, Duke of Södermanland (born 2016), son of Prince Carl Philip of Sweden, Duke of Värmland and grandson of King Carl XVI Gustaf of Sweden
• Prince Alexander John of Wales (1871), short-lived son of Edward VII
• Alexander, Crown Prince of Yugoslavia (born 1945), head of the House of Karageorgevic
• Prince Alexander of Yugoslavia (born 1982)
• Prince Alexander of Yugoslavia (1924–2016)

A few other princes have borne the name Alexander:

• George V of Hanover (1819–1878)
• Prince Alfred of Edinburgh and Saxe-Coburg and Gotha (1874–1899)
• Prince George, Duke of Kent (1902–1942)
• Prince Richard, Duke of Gloucester (born 1944)
• Prince George of Wales (born 2013)

This disambiguation page lists articles associated with the title Prince Alexander.
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