Ong or ONG may refer to:

• Ong's Hat, a collaborative work of fiction
• “Ong Ong”, a song by Blur from the album The Magic Whip

• Ong, Nebraska, US, city
• Ong's Hat, New Jersey, US, ghost town
• Ong River, Odisha, India
• Mornington Island Airport, IATA airport code "ONG"

• Ong (surname), a surname (especially a Chinese one)
• Ong language of Laos and Vietnam
• ONE Gas (Oklahoma Natural Gas), a component of ONEOK, Inc.
• Non-governmental organization, abbreviated ONG in French, Italian, Spanish, Romanian and Portuguese (NGO in English)
• Ipomoea aquatica or Ong choi, a semi-aquatic tropical plant grown as a leaf vegetable
• Ong (Washoe folklore), a bird-like mythical creature

• Battle of Ong Thanh, Vietnam (1967)

This disambiguation page lists articles associated with the title Ong.
If an internal link led you here, you may wish to change the link to point directly to the intended article.