Anna M. Longshore Potts (née , Longshore; April 16, 1829 – October 24, 1912) was an American physician and medical lecturer. She was one of eight members of the first class to be graduated from the Woman's Medical College of Pennsylvania in Philadelphia. She practiced in Philadelphia for a few years after her graduation, then for five years in Adrian, Michigan. Thereafter, she made a tour of the Pacific coast and elsewhere in the U.S., as well as New Zealand, Australia, and England on the prevention of sickness. She traveled around the world twice and gained an enviable reputation as an author and lecturer. Her lifework was a crusade against ignorance and prejudice. As she said, a "diffusion of physiological knowledge would not only tend to prevent disease, but would also be a potent facto