Felix M. Keesing (January 5, 1902 – April 1961) was a New Zealand-born anthropologist who specialized in the study of the Philippine Islands and the South Pacific. He came to the United States in the 1940s and taught at Stanford University, California, 1942–1961. He and Marie Margaret Martin Keesing, also an anthropologist, were married in July 1928. They had two sons, economist Donald Beaumont Keesing (1933–2004) and Roger Martin Keesing (1935–1993), who also became an anthropologist.