Ray Keith Brubaker (November 19, 1892 – May 1, 1947) was an American professional baseball player and manager.
Brubaker never appeared in Major League Baseball, but was a stalwart in the minor leagues, playing for 14?1/2 seasons for the Oakland Oaks of the Pacific Coast League, and continuing as a manager at all levels of the minors.
His life and career ended at age 54 when he was stricken with a fatal heart attack while managing his team, the Terre Haute Phillies of the Class B Illinois–Indiana–Iowa League, during a league game against the Waterloo White Hawks on May 1, 1947.