Tomoko Ohta (b. 1933) is a Japanses scientist,
working in the field of evolutionary biology genetics. She is known as a pioneer
of genetic polymorphism, and the proponent of the nearly neutral theory of
She studied agriculture in Tokyo, after which she moved to
the United States and obtained her PhD from North Carolina State University in
1966. She worked for the Japanese National Institute of Genetics and was later
accepted into the United States National Academy of Sciences as a foreign
associate in evolutionary biology.