Ralph Arthur "Doc" Carroll (December 28, 1891 – June 27, 1983), was a Major League Baseball catcher who played in 1916 with the Philadelphia Athletics. He batted and threw right-handed. Carroll had a .091 batting average in ten games, two hits in 22 at-bats, in his one-year career. Carroll graduated from Worcester Academy.
Carroll played college baseball for Holy Cross and Tufts before coaching at Worcester Polytechnic Institute.
He was born and died in Worcester, Massachusetts.