Robert Lee "Matty" Mathews (August 6, 1887 – September 1, 1947) was an American football player and coach.

In Mathews' four seasons at Idaho, the Vandals' first years in the Pacific Coast Conference, they won three consecutive rivalry games over Palouse neighbor Washington State.

[5] After less than a year in Spokane as athletic director and head coach in football and basketball,[9][10] he resigned in April 1930 to pursue career options closer to the coast.

[11] Mathews was also the head coach of the West Seattle Athletic Club in 1931 and 1932 and of the American Football League's Portland Rockets in 1944.

[1][15] Entering his third season at Lewis & Clark in 1947,[16] Mathews died on September 1 at the age of 60 of a heart attack at his home in Portland, Oregon.