Maxwell McGaughey Hamilton (1896-1957) was an American diplomat and United States Ambassador to Finland between 1945 and 1947.

He graduated from Washington and Jefferson College, where he was a member of Phi Delta Theta, in 1918.

[2] Hamilton was in the State Department's Division of Far East Affairs under Stanley Hornbeck.

[3] Following the 1945 parliamentary election, the United States agreed to resume full relations with Finland.

[3] He was appointed Envoy Extraordinary and Minister Plenipotentiary to Finland on September 25, 1945 and he presented his credentials on March 26, 1946.