Siva Chinnatamby (c.1923 - 2000) was a Sri Lankan obstetrician who pioneered the use of modern contraceptives in the country.
[1][2] In 1961, Chinnatamby led the first oral contraceptive trials in Asia, at Ragama Hospital.
[1] In 1972 she was invited to give the Murugesar Sinnetamby Oration at the Sri Lanka Medical Association; her topic was "Successful treatment of infertility".
[3] In the late 1960s, Chinnatamby was instrumental in establishing the first Zonta International club in Sri Lanka.
[5] The Sri Lankan College of Obstetricians and Gynaecologists established a memorial lecture in her name.