Bainbridge Colby (December 22, 1869 – April 11, 1950) was an American lawyer, a political progressive, a co-founder of the United States Progressive Party and Woodrow Wilson's last Secretary of State.
Colby was a Republican until he helped co-found the National Progressive Party in 1912; he ran for multiple offices as a member of that party, but never won.Secretary of State from February 1920 until 1921, at a time when President Woodrow Wilson was medically handicapped and largely out of touch.
He is best known for promoting a Good Neighbor policy for Latin America, and for denouncing the communist regime in Russia.