Wally Lemm (October 23, 1919 – October 2, 1988) was a football coach at the high school, collegiate and professional levels and achieved his greatest prominence as head coach of the American Football League's Houston Oilers and the National Football League's St. Louis Cardinals (football). Lemm stayed off the sidelines for the final 18 years of his life, dying on October 2, 1988, just three weeks short of his 69th birthday.