W. Ralph "Pest" Welch (January 13, 1907 – September 15, 1974) was an American football player and coach. He served as the head coach at the University of Washington from 1942 to 1947, compiling a record of 27–20–3. Welch led his 1943 Washington squad to the Rose Bowl, where they lost to USC, 29–0. He played college football at Purdue University as a halfback under head coach James Phelan, whom he followed to Washington as an assistant in 1930.
|Washington Huskies (Pacific Coast Conference) (1942–1947)|
|#Rankings from final AP Poll.|
- "W. Ralph "Pest" Welch Records by Year". College Football Data Warehouse. http://www.cfbdatawarehouse.com/data/coaching/alltime_coach_year_by_year.php?coachid=2469. Retrieved 2007-12-01.