Elizabeth Holloway Marston (February 20, 1893 – March 27, 1993) was an American attorney and psychologist.
She is credited, with her husband William Moulton Marston, for the development of the systolic blood pressure measurement used to detect deception.She is also credited as the inspiration for her husband's comic book creation Wonder Woman, a character who was also fashioned on their polyamorous life partner, Olive Byrne.