John Humphrey "Red" Davis (July 15, 1915 – April 26, 2002) was an American third baseman in Major League Baseball and a longtime manager in the minor leagues.

Born in Wilkes-Barre, Pennsylvania, Davis threw and batted right-handed, stood 5'11" (180 cm) tall and weighed 172 pounds (78 kg).

Davis' major league career consisted of 21 games and 70 at bats during September 1941 as a member of the New York Giants.

Davis made a more indelible imprint as a minor league skipper, logging 27 years (1949–72; 1974–76) in the farm systems of the Giants, Cincinnati Reds, Cleveland Indians and Pittsburgh Pirates, and working at all levels of the minors.

He managed at Triple-A with the Minneapolis Millers, Phoenix/Tacoma Giants, Buffalo Bisons, Portland Beavers, Charleston Charlies and Oklahoma City 89ers.