Roger Aldag (born October 6, 1953 in Gull Lake, Saskatchewan) was a Canadian football offensive lineman who played for the Saskatchewan Roughriders from 1976 through 1992. He was part of the Grey Cup championship-winning Saskatchewan Roughriders in 1989. Aldag currently holds the Roughrider record for games played with 271 regular season games and 5 play-off games. Aldag played for the Regina Rams from 1972–1975, during which time the Rams won two National Junior Football Championships (1973 and 1975). He was twice named the Rams Most Valuable Player.