Jack Robert Gage (January 13, 1899 – March 14, 1970) was an American author, educator, and politician who served as the 25th Governor of Wyoming as a member of the Democratic Party.

[9][10] In 1940, he became a manager for a KWYO radio station in Sheridan, invested into a school supply company, and wrote a Wyoming geography book for fifth to eighth grade students.

[16] In 1956, he was elected as district governor for the Rotary International in Sheridan and was a member of a 37-person delegation that visited East and West Berlin and Moscow.

[17][18] In 1957, he was given a bronze medal at a banquet by the Crusade for Freedom association after writing the book "Plan for Peace" and spoke about his experience in the Soviet Union.

[19] On June 6, 1958, Gage filed to run for the Democratic nomination for Secretary of State and in the general election he narrowly defeated Republican nominee Everett Copenhaver by 1,112 votes.