Ann Augusta Stowe-Gullen (July 27, 1857 – September 25, 1943), was a Canadian medical doctor, lecturer and suffragist.

[1] She is best known for being the first woman to graduate from a Canadian medical school (Faculty of Medicine at Victoria College, Cobourg[1]) in 1883.

Stowe-Gullen also helped her mother establish what would later be called Women's College Hospital.

A leading figure in the suffrage movement, she succeeded her mother as president of the Dominion Women's Enfranchisement Association in 1903.

She is known for her quotation "When women have a voice in national and international affairs, wars will cease forever."