Onn (disambiguation)

Onn is the Irish name of the seventeenth letter of the Ogham alphabet.

Onn or ONN may also refer to:

• Optical neural network
• Oscillatory neural network
• Onion News Network
• ONN (radio), the Ohio News Network
• Onn Abu Bakar, a Malaysian politician
• Onn Jaafar, a Malayan politician
• Onn Hafiz Ghazi, a Malaysian politician
• Melanie Onn, a British politician
• Shmuel Onn, a mathematician
• Onn, a Walmart store brand of consumer electronics
• The Festival City of Onn, a later name for Arrakeen, capital of Arrakis in Frank Herbert's novel God Emperor of Dune