Charles Adams, born Charles Schwanbeck (December 19, 1845 – August 19, 1895), was a United States Army officer, US Indian agent, diplomat and businessman. In 1879 he secured the release of five hostages taken captive by the White River Utes after the Meeker Massacre, and held an official inquiry into their treatment. In 1880 he was appointed minister to Bolivia, where he served for two years. Returning to Colorado, he became involved in mining and water development.