•
Ong Ai Leng (born 1978), Malaysian actress •
Aihwa Ong (born 1950), Malaysian sociocultural anthropologist •
Andy Ong (born 1970), Singaporean entrepreneur, author and property investor •
Angelia Ong (born 1990), Filipina model and beauty pageant titleholder •
Anthea Ong, Singaporean politician •
Augustine Ong (born 1934), Malaysian scientist and academic •
Beatrix Ong, British fashion designer •
Ong Beng Hee (born 1980), Malaysian professional squash player •
Ong Beng Seng (born 1946), Malaysian billionaire businessman •
Ong Beng Teong (born 1962), Malaysian badminton player and coach •
Benny Ong, Singaporean fashion designer and textile artist •
Bernadette Ong, Singaporean actress, emcee, model, and beauty pageant titleholder •
Betty Ong (1956–2001), American flight attendant, killed in the
September 11 attacks •
Bob Ong, Filipino author • Ong Boon Hua, birth name of
Chin Peng, Malaysian politician and anti-fascist activist •
Ong Boon Pang (1882–1940), Bruneian businessman and
Kapitan Cina •
Canny Ong (1974–2003), Malaysian murder and rape victim •
Cassandra Ong (born 2000), Filipino businesswoman •
Christina Ong (born 1947), Singaporean businesswoman •
Daniel Ong (born 1975), Singaporean businessman, radio DJ and television host •
Daryl Ong (born 1987), Filipino singer-songwriter •
David Ong (born 1961), Singaporean politician •
Ong Eng Guan, Singaporean politician •
Ong Ewe Hock (born 1972), Malaysian badminton player •
Glenn Ong (born 1970), Singaporean DJ •
Han Ong (born 1968), American playwright and novelist •
Haydee Ong (born 1970), Filipino basketball coach and former player •
Ong Hock Thye (1908–1977), Malaysian judge •
Ong Hok Ham (1933–2007), Chinese Indonesian historian •
Ong Huay Dee (1935–2000), Singaporean taxi driver and murder victim •
Ong Iok-tek (1924–1985), Taiwanese scholar and politician •
Jack Ong (1940–2017), American actor, writer, activist and marketing professional •
Jaymee Ong (born 1979), Australian model and actress •
John D. Ong (born 1933), American businessman •
Ong Ka Chuan (born 1954), Malaysian politician •
Ong Ka Ting (born 1956), Malaysian politician •
Ong Kee Hui (1914–2000), Malaysian Chinese politician •
Ong Keng Sen (born 1963), Singaporean theatre director •
Ong Keng Yong (born 1954), Singaporean diplomat •
Kerstin Ong (born 1997), Singaporean athlete •
Ong Khan (?–1203), khan of the Keraites •
Khanh Ong, Australian cook, television personality, author and restaurateur •
Ong Kian Ming (born 1975), Malaysian politician and lecturer •
Ong Kiat Guan (c. 1930–1983), Singaporean basketball player •
Ong Kim Kee (1931–1998), businessman and community leader •
Ong Kim Seng (born 1945), Singaporean watercolor artist •
Ong Kok Hai (1945–2026), Malaysian microbiologist •
Leonard Ong (born 1992), Singaporean sailor •
Melissa Ong (born 1993), American Internet influencer, TikToker, YouTuber, and former user experience designer •
Melvyn Ong, Singaporean lieutenant-general •
Meng Ong, Singaporean filmmaker •
Michelle Ong, Hong Kong jeweller, philanthropist and businesswoman •
Mindee Ong (born 1979), Singaporean actress •
Monica Ong, Asian-American visual poet •
Nai Phuan Ong (born 1948), American experimental physicist •
Natalie Ong (born 2000), Singaporean Australian singer-songwriter •
Nathania Ong (born 1998), Singaporean actress and singer •
Olivia Ong (born 1985), Singaporean singer and actress •
Ong Pang Boon (born 1929), Singaporean retired politician •
Peter Ong, Singaporean civil servant •
Ong Poh Lim (1923—2003), Malaysian Singaporean badminton player •
Rachel Ong, Singaporean politician and businesswoman •
Remy Ong (born 1978), Singaporean bowler •
Richard Ong (born 1965), Malaysian businessman and investor •
Russell Ong, Singaporean swimmer •
Ryan Ong Palao, Filipino-American drag performer and HIV awareness activist •
Samuel Ong (1945–2009), Filipino whistleblower •
Ong Schan Tchow (1900–1945), Chinese patriot artist •
Ong Seok Kim (1884–1964), Malaysian educationist, social worker and philanthropist •
Ong Seong-wu (born 1995), South Korean singer and actor •
Ong Soh Khim, Singaporean academic and politician •
Ong Soo Hin, Malaysian Chinese businessman •
Ong Soon Hock (born 1985), Malaysian badminton player •
Suan-Li Ong, British actress and model •
Ong Teck Chin (born 1949), Singaporean educator •
Ong Teng Cheong (1936–2002), Singaporean architect, union leader and politician •
Ong Teng Koon (born 1977), Singaporean businessman and former politician •
Ong Teng Siew (born 1968), Malaysian chicken slaughterer and convicted killer •
Thomas Ong (born 1969), Singaporean actor, television host and businessman •
Ong Tiang Swee (1864–1950), businessman and philanthropist •
Walter J. Ong (1912–2003), American Jesuit priest, professor and philosopher •
Willie Ong, (born 1963) Filipino cardiologist, media personality and politician •
Wing Foon Ong (1904-1977), Chinese-born American politician, lawyer, and businessman •
Xavier Ong (born 1994), Singaporean actor •
Xuan Ong (born 1996), Singaporean actress •
Ong Ye Kung (born 1969), Singaporean politician •
Ong Yoke Lin (1917–2010), Malaysian politician, diplomat and businessman ==References==