Anna Root Mann Richardson (April 6, 1877 – September 10, 1953) was an American psychoanalyst, physician, and health policy researcher.

Her aunt, Harriet Mann Miller, was a noted ornithologist and writer.

She trained as a psychoanalyst in Switzerland with Carl Jung, as did her older sister, Kristine Mann.

[3] Another sister, Clausine Mann MacNeille, was dean of women at Swarthmore College.

[9] In the 1920s, she was a health policy researcher associated with the Russell Sage Foundation from 1912 to 1916, and with the United Hospital Fund of New York in the 1920s.