Joseph George Muha (April 28, 1921 – March 31, 1993) was an American football player, coach, and official. He played professionally as a fullback and linebacker in the National Football League (NFL) for five seasons with the Philadelphia Eagles. He was their starting fullback four of those years and a two-time All-Pro selection. Muha also was an umpire in the NFL from 1956 through 1971. He wore uniform number 43, which was claimed the season following Muha's retirement by Red Cashion.