| Intro | American politician |
| Was | Politician |
| From | United States of America |
| Type | Politics |
| Gender | male |
| Birth | 25 November 1884, Yorkshire, Yorkshire and the Humber, England, United Kingdom |
| Death |
15 June 1955 (aged 70 years) |
| Politics | Democratic Party |
Ernest Greenwood (November 25, 1884 – June 15, 1955) was a United States Representative from New York. Born in Barnsley, Yorkshire, England, he attended the public schools of Halifax and the Evening Technical Institute and College. He was employed with engineering firms in Sheffield in 1905 and 1906, and Halifax from 1907 to 1910. He immigrated to the United States in 1910 and worked for the General Electric Co. in Schenectady from 1910 to 1914. He attended City College of New York and Columbia University, and was a teacher in the public schools of Schenectady from 1914 to 1916, and at Islip High School in (Suffolk County) from 1916 to 1920. He was a member of committee on Census and Inventory of Military Resources during the First World War and was supervisor of the Federal Board of Vocational Education from 1920 to 1922. He was associate head master of the Dwight School for Boys and New York Preparatory School for Adults from 1922 to 1927, holding the position of headmaster from 1927 to 1946. He was also chairman of the board of trustees from 1946 to 1955, and was chairman of the planning commission of the Bay Shore Board of Education in 1947 and 1948, and treasurer from 1947 to 1950.
Greenwood was an unsuccessful Republican candidate for the Suffolk County Board of Supervisors in 1949 and was elected as a Democrat to the Eighty-second Congress, defeating Republican incumbent W. Kingsland Macy. Greenwood served in the House from January 3, 1951 to January 3, 1953. He was an unsuccessful candidate for reelection in 1952 to the Eighty-third Congress and for election in 1954 to the Eighty-fourth Congress. In 1955 he died in Bay Shore; interment was in Oakwood Cemetery.