Peter Mueller or Muller is a former professional Canadian football player. He played as a tight end for the Toronto Argonauts of the Canadian Football League from 1973 to 1981.
One of the great Argo tight ends, he played 9 years and 126 regular season games. He led the team in receiving in 1974, '77 and '78. After his football days he was Vice-Principal at Queensway Christian College in Mississauga, and used to work in Calgary, Alberta as the Principal at Master's College, a Christian school.
In 1978, he won the Tom Pate Memorial Award for outstanding sportsmanship and dedication to his community.