Louis of Anjou may refer to:

• Louis of Anjou, Marquis of Pont-à-Mousson (1427-1443)
• Louis I of Hungary (1326 – 1382), King of Hungary, Croatia, Dalmatia, Jerusalem, Sicily and Poland
• Louis I of Anjou (1339 - 1384), Duke of Anjou, titular King of Naples
• Louis I of Naples (1320 – 1362), husband of Joanna I of Naples
• Louis II of Naples (1377 – 1417), rival of Ladislas as King of Naples
• Louis III of Anjou (1403-1434), Duke of Anjou, titular King of Naples
• Louis of Toulouse, Saint, (1274 – 1297), cadet of the royal French house of Anjou and Catholic bishop

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