Incoherence may refer to:

• Lack of coherence
• The Incoherence of the Incoherence (Arabic: تهافت التهافت Tahāfut al-Tahāfut) by Ibn Rushd (Averroes) (1126–1198)
• The Incoherence of the Philosophers (تهافت الفلاسفة Tahāfut al-Falāsifaʰ in Arabic)
• Incoherence (2006–2010), professional wrestling tag team of Hallowicked, Delirious and Frightmare
• Incoherence (album), a 2004 album by Peter Hammill