William March (September 18, 1893 – May 15, 1954) was an American writer of psychological fiction and a highly decorated US Marine. The author of six novels and four short-story collections, March was praised by critics but never attained great popularity.March grew up in rural Alabama in a family so poor that he could not finish high school, and he did not earn a high school equivalency until he was 20. He later studied law but was again unable to afford to finish his studies.