Mario Umana (May 5, 1914 – April 27, 2005) was an American judge and politician. Umana was born in Boston, Massachusetts. He graduated from East Boston High School. He went to Harvard College and Harvard Law School. He practiced law in Boston. Umana served in the Massachusetts House of Representatives as a Democrat from 1949 to 1952. He then served in the Massachusetts Senate from 1953 to 1958 and from 1961 to 1973. Umana served as a Boston Municipal Court judge from 1973 until he retired in 1991. Umana died from pneumonia at the Massachusetts General Hospital in Boston, Massachusetts.