Josiah Marvel Jr.

Josiah Marvel Jr. was an American diplomat who served as chief of the United States' diplomatic mission in Denmark from 1946 to 1949, originally at the rank of Envoy Extraordinary and later as Ambassador Extraordinary and Minister Plenipotentiary. He was appointed by President Harry S. Truman.

He also was a lawyer, politician, and soldier. Marvel graduated from Harvard Law School.

Marvel served as Delaware Secretary of State from 1938 to 1941. He ran for Governor of Delaware in 1940 as a Democrat, losing the election to Republican Walter W. Bacon. During World War II he served with the United States Army Air Force. It was announced in February 1943 that he and Gladys Hopkins Whitney were to be married, Whitney had been previously married to Cornelius Vanderbilt Whitney, and had full custody of their daughter.