Bertha Maria Júlia Lutz (August 2, 1894 – September 16, 1976) was a Brazilian zoologist, politician, and diplomat.

[2] In addition to her political work, she was a naturalist at the National Museum of Brazil, specializing in poison dart frogs.

Her father, Adolfo Lutz (1855–1940), was a pioneering physician and epidemiologist of Swiss origin, and her mother, Amy Marie Gertrude Fowler, was a British nurse.

Bertha Lutz studied natural sciences, biology and zoology at the University of Paris – Sorbonne graduating in 1918.

Upon her return, she joined the Legiao da Mulher Brasilera (Brazilian Women's Legion) as an administrative director of a commission.

In 1922, Lutz established Federação Brasileira pelo Progresso Feminino (the Brazilian Federation for the Advancement of Women, FBPF).

[9] Within the first year of the FBPF's creation, Lutz and other members organized an international convention to take place in Brazil, which was attended by dignitaries within Brazil and from foreign nations, including notable feminists like Carrie Chapman Catt, Ana de Castro Osorio and Rosa Manus.

Most notable of these proposals was her call for the Inter-American Commission of Women to focus on issues of gender equality in the workplace.

[12] In 1935, Lutz decided to run for a seat in the National Congress of Brazil and came in second behind Cándido Pessoa.

[13] Lutz, however, was unable to push forward her measures after Getúlio Vargas was reinstated as dictator in 1937, which led to a suspension of parliament, and the Statute project.

[17] She further proposed the UN create a special commission whose purpose it would be to analyze the "legal status of women" around the world in order to better understand the inequalities they faced and be better prepared to combat them.