Estefania Aldaba-Lim, Ph.D. (January 6, 1917 – March 7, 2006) was the first female secretary of any Cabinet of the Philippines, serving as Secretary of Social Services and Development from 1971 to 1977. She obtained her doctorate in Clinical Psychology from the University of Michigan in 1942. She was also the first Filipino clinical psychologist.
She played prominent roles as the former assistant secretary general of the United Nations Children's Fund's International Year of the Child. Aldaba-Lim served as President of the Girl Scouts of the Philippines.
Aldaba-Lim became was the first woman to become Special Ambassador to the United Nations, with the rank of assistant secretary general during the UNICEF—UNESCO International Year of the Child in 1979. She received the U.N. Peace Medal that year from Secretary General Kurt Waldheim.