The Mad is an epithet applied to:
- Haakon the Crazy or the Mad (died 1214), Norwegian earl
- Othenin, Count of Montbéliard (died 1338)
- Charles VI of France (1369âÂÂ1422), King of France
- George II of Kakheti (1469âÂÂ1513), King of Kakheti
- Jan II the Mad (1435âÂÂ1504), Duke of Ã
»agaÃ
Â-Przewóz, Przewóz, Ã
»agaÃ
 and half-GÃ
Âogów
- Joanna of Castile (1479âÂÂ1555), first queen regnant of Castile of Aragon, queen of Sardinia, Sicily and Naples
- John II, Count of Rietberg (after 1523âÂÂ1562)
- Ibrahim (1615âÂÂ1648), sultan of the Ottoman Empire
- Maria I of Portugal (1734âÂÂ1816), first undisputed queen regnant of Portugal
- Mustafa I (1600-1639), sultan of the Ottoman Empire
- Theodor Tolsdorff (1909âÂÂ1978), German World War II lieutenant general
See also
- Antiochus IV Epiphanes (c. 215 BCâÂÂ164 BC), ruler of the Seleucid Empire sometimes called Epimanes ("the mad one")
- Al-Hakim bi-Amr Allah (996âÂÂ1021), called the Mad Caliph in Western literature
- Odo I, Count of Vermandois, Count of Vermanois from 1080 to 1085, called "the Insane"
- George III (1738âÂÂ1820), King of Great Britain and of Ireland, called the Mad King
- Mad King Ludwig II of Bavaria (1845âÂÂ1886)
- Norman the Lunatic, a ring name of Mike Shaw (1957âÂÂ2010), American professional wrestler
- Dagur the Deranged, character in the animated television series DreamWorks Dragons