Ong
Ong or ONG may refer to:
Economics
- ONG, abbreviation for Organisation Non-Gouvernementale, Organizzazione non-governativa, Organización No Gubernamental or Organização não Governamental, respectively French, Italian, Spanish and Portuguese for Non-governmental organization
People
Chinese surname, Wang (王), and for Malayan and Singapore Hockkien, it is written as Ong
- Ong Beng Hee (b.1980), Malaysian professional squash player
- Betty Ong (1956–2001), Chinese American flight attendant on American Airlines Flight 11, killed in the September 11, 2001 terrorist attack
- Ong Boon Hua, original name of Chin Peng, Malaysian Communist Party leader
- Daniel Ong, Singaporean radio DJ
- Ong Ewe Hock, Malaysian badminton player
- Glenn Ong, Singapory radio DeeJay
- Han Ong (born 1968), Filipino author
- Ong Hok Ham (born 1933), Indonesy-Chinese historian
- Ong Iok-tek (1924–1985), Taiwanese scholar and politician
- Dato' Seri Ong Ka Ting (born 1956), Malaysian politician
- Ong Kee Hui, Chinese-Malaysian politician
- Ong Keng Sen (born 1963), Singaporean theatre director
- Ong Keng Yong (born 1954), Singaporean diplomat
- Ong Keo (before 1901 − 1937), Laotian pro-independence rebel
- Ong Kham, king of Luang Prabang (1713–1723)
- Ong Khan or Wang Khan (d.1203), name given to the Kerait ruler Toghrul
- Ong Kommandam (d.1936), Laotian pro-independence rebel
- Olivia Ong, Singaporean singer
- Ong Pang Boon, Singaporean politician
- Remy Ong (b.1978), Singaporean bowler
- Samuel Ong, former deputy director of the National Bureau of Investigation (NBI) of the Philippines
- Ong Soh Khim, Singaporean academic and politician
- Dominic Ong, The Master of China
- Ong Teck Chin, Singaporean educator
- Ong Teng Cheong (1936–2002), first directly elected President of Singapore
- Walter J. Ong (1912–2003), American Jesuit priest, professor of English literature, cultural and religious historian and philosopher
Places
Other
- Ipomoea aquatica or Ong choi, a semi-aquatic tropical plant grown as a leaf vegetable
- Battle of Ong Thanh, Vietnam (1967)
- ONG Jeans, a domestic Korean clothing manufacturer and jeans label
- Ong's Hat, a collaborative work of fiction
- Orthodontic National Group, the specialist group representing orthodontic nurses and therapists in the United Kingdom and Republic of Ireland
- Oklahoma Natural Gas, a component of ONEOK, Inc.