Roy Oscar "Doc" Miller (February 4, 1883 in Chatham, Ontario – July 31, 1938 in Jersey City, New Jersey) was a Major League Baseball outfielder from 1910-1914. He played for the Chicago Cubs, Boston Braves, Cincinnati Reds, and Philadelphia Phillies. He was interred in North Bergen's Garden State Crematory. Miller was posthumously inducted into the Canadian Baseball Hall of Fame in 2009.