Reuben Allen Barker (July 23, 1889 – August 6, 1958) was an American football player and track athlete for the Ole Miss Rebels of the University of Mississippi and Virginia Cavaliers of the University of Virginia.

He was selected an All-Southern tackle in 1911 and 1912,[2] "Rube" was the captain of the 1913 team.

[4] One account of the excitement upon one of his reentries reads "With Allan Thurman and "Rube" Barker, two of the best linemen who ever wore the Orange and Blue colors, back in the line-up, Virginia's chances of emerging victorious over the University of Georgia today are exceedingly bright.

[5] Barker was a practicing physician in Oakland, Illinois.

This biographical article relating to a college football player is a stub.