Wahn may refer to :

• Wahn (beetle), an insect in the tribe Obriini
• Wahn, Cologne, a borough in Porz, Cologne, Germany
• Ian Wahn (1916–1999), Canadian politician
• An Islamic term in Arabic meaning weakness or feebleness
• A track by Tangerine Dream from the 1973 album Atem
• A Kulin name for Crow, a trickster in Australian Aboriginal mythology

This disambiguation page lists articles associated with the title Wahn.
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