The 1939 Kentucky gubernatorial election was held on November 7, 1939. Incumbent Democrat Keen Johnson defeated Republican nominee King Swope with 56.51% of the vote.

Keen Johnson was an American politician who served as the 45th Governor of Kentucky, serving from 1939 to 1943; being the only journalist to have held that office. After serving in World War I, Johnson purchased and edited the Elizabethtown Mirror newspaper. He revived the struggling paper, sold it to a competitor and used the profits to obtain his journalism degree from the University of Kentucky in 1922. After graduation, he became editor of The Anderson News, and in 1925, he accepted an offer to co-publish and edit the Richmond Daily Register.