Oon Chiew Seng

Oon Chiew Seng
Oon c. 2014
Born1916
Died31 March 2022 (aged 106)
Singapore
CitizenshipSingapore
EducationMedical College of Singapore
OccupationPhysician
Years active1955–1991

Oon Chiew Seng (1916 – 31 March 2022) was a Singaporean physician, known for being one of the country's first gynaecologists and obstetricians. Born in Penang, she was educated in both India and Singapore and worked at Kandang Kerbau Hospital before setting up her private practice.