Lonnie Dennis (December 10, 1937 – January 6, 1997) was a Canadian football player with the Canadian Football League (CFL)'s the British Columbia Lions. After playing college football at Brigham Young University, Dennis spent his entire 9-year CFL career as an offensive lineman for the Lions. He was named CFL All-Star in 1963 and 1964, and was a part of the Lions Grey Cup victory in 1964. Dennis died on January 6, 1997 at the age of 59