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- Battle of La Bicocca - 1522 - French Wars in Italy
- Battle of Lade - 494 BC - Ionian Revolt
- Battle of La Hogue - 1692 - War of the Grand Alliance
- Battle of Lake Erie - 1813 - War of 1812
- Battle of Lalakaon - 863 - Byzantine–Arab Wars
- Battle of La Loiera - 1353 - Venetians and Aragonese vs. Genoese
- Battle of Laon - 1814 - Napoleonic Empire Wars
- Battle of Largs - 1263 - Scottish–Norwegian War
- Battle of Lauffeld (in Belgium) - War of the Austrian Succession
- Battle of Le Cateau - 1914 - World War I
- Battle of Lechfeld - 955 - German states stop the Magyars
- Battle of Legnano - 1176 - Wars of the Guelphs and Ghibellines
- Siege of Leicester - 1645 - English Civil War
- Battle of Leipzig - 1813 - Napoleonic Empire Wars
- Battle of Lens - 1648 - Thirty Years' War
- Battle of Lepanto (1499) - Third Turkish-Venetian War
- Battle of Lepanto (1500) - a second battle at the same place during the Third Turkish-Venetian War
- Battle of Lepanto (1571) - a third battle at Lepanto, during the Fifth Turkish-Venetian War
- Battle of Lesnaya 1708 - Great Northern War
- Battle of Leuthen - 1757 - Seven Years' War
- Battle of Leuven - 891
- Battle of Lewes - 1264 - Second Barons' War of England
- Battle of Lexington and Concord - 1775 - American War of Independence
- Battle of Leyte (land battle) - 1944 - World War II
- Battle of Leyte Gulf (sea battle) - 1944 - World War II
- Battle of Liaoyang - 1904 - Russo-Japanese War
- Battle of Ligny - 1815 - War of the Seventh Coalition
- Battle of Lincoln (1141), on 2 February 1141 - Stephen of England vs Matilda, England.
- Battle of Lincoln (1217), on 20 May 1217 - First Barons' War of England.
- Battle of Lipany (a.k.a. Cesky´-Brod or Böhmisch-Brod) - 1434 - Hussite Wars
- Battle of Lisnagarvey - 1649 - Cromwellian Wars
- Battle of Lissa - 1866 - Seven Weeks' War
- Battle of Littleferry - April 15, 1746 - Jacobite rising of 1745
- Battle of the Little Bighorn - 1876 - Second Sioux War
- Battle of Łódź - 1914 - World War I
- Battle of Lone Pine - 1915 - World War I - Battle of Gallipoli
- Battle of Long Island (a.k.a. Battle of Brooklyn) - 1776 - American Revolutionary War
- Battle of Longewala - 1971 - Indo-Pakistani War of 1971
- Battle of Loos (see Battle of Artois-Loos)
- Battle of Lostwithiel (two connected battles) - 1642 and 1644 - English Civil War
- Battle of Lowestoft - 1665 - Second Anglo-Dutch War
- Battle of Łowicz - 1914 - World War I
- Battle of Lugou Bridge (a.k.a. Incident at Marco Polo Bridge) - 1937 - Second Chinese-Japanese War
- Battle of Lumphanan - 1057 - Scottish dispute over the throne; Macbeth died here.
- Battle of Lundy's Lane - 1814 - War of 1812
- Battle of Lutter am Barenberge - 1626 - Thirty Years' War
- Battle of Lützen (1632) - Thirty Years' War
- Battle of Lützen (1813) - Napoleonic Empire Wars
Read more about this topic: List Of Battles (alphabetical)