|Date of birth||September 18, 1910|
|Place of birth||Joliet, Illinois|
|Date of death||August 24, 1978 67)(aged|
|Place of death||Glencoe, Illinois|
|Honors||1931 All-America Team|
Ernest John "Pug" Rentner (September 18, 1910 – August 24, 1978) was an American football halfback and quarterback who played professionally in the National Football League (NFL) for the Boston Redskins and the Chicago Bears. He was inducted into the College Football Hall of Fame in 1979.