John Walter Siegal (May 15, 1918 – May 27, 2015) was an American football end/defensive end in the National Football League. He was drafted in the 17th round of the 1939 NFL Draft. He played five seasons for the Chicago Bears (1939–1943). He was born in Larksville, Pennsylvania. At the time of his death, Siegal was the oldest living Bears player. He died on May 27, 2015, at the age of 97 in his hometown of Harveys Lake, Pennsylvania.