Mary Proctor (1862–September 11, 1957) was an American astronomer.
She was the daughter of Mary and Richard Proctor. Her father was a British popularizer of astronomy, and she gained her knowledge of the subject from him. She authored many articles for newspapers and journals, and wrote a number of popular books.
Proctor crater on the Moon was named after her. (The Proctor crater on Mars was named after her father.)
- Stories Of Starland, 1895.
- Giant Sun And His Family, 1896.
- Half Hours With The Summer Stars, 1911.
- Legends Of The Stars, 1922.
- The Children's Book Of The Heavens, 1924.
- Evenings With The Stars, 1924.
- Legends Of The Sun And Moon, 1926.
- The Romance Of Comets, 1926.
- The Romance Of The Sun, 1927.
- The Romance Of The Moon, 1928.
- The Romance Of The Planets, 1929.
- Wonders Of The Sky, 1931.
- Our Stars Month By Month, 1937
- M. Proctor and A. C. D. Crommelin, Comets, 1937.
- Everyman's Astronomy 1939.
- Comets, Meteors And Shooting Stars, 1940.