Willard Harry Allen (January 19, 1893 – February 25, 1957) was an American poultry scientist who served as New Jersey secretary of agriculture from 1938 to 1956.
He worked as an extension specialist for poultry husbandry at the University of Georgia before enlisting in the US Army and serving overseas during World War I.
He served as director of research for Acetol Products in New Brunswick, New Jersey, from 1927 to 1934, when he returned to Rutgers as a full professor of poultry science and state leader of county agricultural agents.
[4] On January 1, 1938, Governor Harold G. Hoffman appointed Allen to the office of state secretary of agriculture of New Jersey.
[3] A popular official and capable administrator, Allen served for 18 years under six governors, both Republicans and Democrats.