Eugénie Cotton (13.10.1881-16.06.1967) was a French physicist and public figure. She was born in Soubise. She graduated from the École Normale at Sèvres (1904) and worked there (director in 1936—41 and honorary director from 1945).
Her research concerned magnetism.
She was one of the organisers of the Women's International Democratic Federation and its president (from 1945); from 1950 she was vice-chairman and from 1959 a member of the Presidium of the World Peace Council. In 1940 —44 she was an active member of the French Resistance. The International Lenin Prize “For Strengthening Peace Among Peoples” (1951).