This is a complete list of seasons competed by the Calgary Stampeders, a Canadian Football League team. While the team was founded in 1935 (as the Calgary Bronks), they did not join the CFL until it was founded in 1958. Throughout their history, the Stampeders have won six Grey Cups.
| Grey Cup Championships | Division Championships | Regular season Championships |
| Season | League | Finish | Wins | Losses | Ties | Playoffs |
|---|---|---|---|---|---|---|
| Calgary Bronks | ||||||
| 1935 | ARFU | 1st | 2 | 0 | 0 | Won Western Semi-Final (Meralomas) 14-0 Lost Western Title Game ('Pegs) 7-0 |
| 1936 | WIFU | 3rd | 1 | 5 | 0 | Lost W.I.F.U Finals (Roughriders) 3-1 |
| 1937 | WIFU | 1st | 5 | 3 | 0 | Lost W.I.F.U Finals (Blue Bombers) 19-14 |
| 1938 | WIFU | 1st | 6 | 2 | 0 | Lost W.I.F.U. Finals (Blue Bombers) 0-2 series |
| 1939 | WIFU | 3rd | 4 | 7 | 0 | Won W.I.F.U. Semi-Final (Roughriders) 24-17 Lost W.I.F.U. Finals (Blue Bombers) 1-1 series |
| 1940 | WIFU | 2nd | 4 | 4 | 0 | Lost W.I.F.U. Finals (Blue Bombers) 0-2 series |
| 1941 | did not participate | |||||
| 1942 | season cancelled (World War II) | |||||
| 1943 | season cancelled (World War II) | |||||
| 1944 | season cancelled (World War II) | |||||
| Calgary Stampeders | ||||||
| 1945 | WIFU | No season play | Won W.I.F.U. Semi-Finals (Roughriders) 2-0 series Lost W.I.F.U. Final (Blue Bombers) 9-6 |
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| 1946 | WIFU | 1st | 5 | 3 | 0 | Lost W.I.F.U. Finals (Blue Bombers) 1-1 series |
| 1947 | WIFU | 2nd | 4 | 4 | 0 | Lost W.I.F.U. Finals (Blue Bombers) 1-2 series |
| 1948 | WIFU | 1st | 12 | 0 | 0 | Won W.I.F.U. Finals (Roughriders) 1-0-1 series Won Grey Cup (Rough Riders) 12-7 |
| 1949 | WIFU | 1st | 13 | 1 | 0 | Won W.I.F.U. Finals (Roughriders) 1-1 series Lost Grey Cup (Alouettes) 28-15 |
| 1950 | WIFU | 4th | 4 | 10 | 0 | |
| 1951 | WIFU | 4th | 4 | 10 | 0 | |
| 1952 | WIFU | 3rd | 7 | 9 | 0 | Lost W.I.F.U. Semi-Finals (Eskimos) 1-1 series |
| 1953 | WIFU | 2nd | 3 | 12 | 1 | |
| 1954 | WIFU | 4th | 8 | 8 | 0 | |
| 1955 | WIFU | 5th | 4 | 12 | 0 | |
| 1956 | WIFU | 5th | 4 | 12 | 0 | |
| 1957 | WIFU | 3rd | 6 | 10 | 0 | Lost W.I.F.U. Semi-Finals (Blue Bombers) 0-1-1 series |
| 1958 | CFL | 4th W.I.F.U. | 6 | 9 | 1 | |
| 1959 | CFL | 4th W.I.F.U. | 8 | 8 | 0 | |
| 1960 | CFL | 3rd W.I.F.U. | 6 | 8 | 2 | Lost West Semi-Finals (Eskimos) 0-2 series |
| 1961 | CFL | 3rd, West | 7 | 9 | 0 | Won West Semi-Finals (Eskimos) 1-1 series Lost West Finals (Blue Bombers) 0-2 series |
| 1962 | CFL | 2nd, West | 9 | 6 | 1 | Won West Semi-Finals (Roughriders) 2-0 series Lost West Finals (Blue Bombers) 1-2 series |
| 1963 | CFL | 2nd, West | 10 | 4 | 2 | Lost West Finals (Roughriders) 1-1 series |
| 1964 | CFL | 2nd, West | 12 | 4 | 0 | Won West Semi-Finals (Roughriders) 1-1 series Lost West Finals (Lions) 1-2 series |
| 1965 | CFL | 1st, West | 12 | 4 | 0 | Lost West Finals (Blue Bombers) 1-2 series |
| 1966 | CFL | 4th, West | 6 | 9 | 1 | |
| 1967 | CFL | 1st, West | 12 | 4 | 0 | Lost West Finals (Roughriders) 1-2 series |
| 1968 | CFL | 2nd, West | 10 | 6 | 0 | Won West Semi-Final (Eskimos) 29-13 Won West Finals (Roughriders) 2-0 series Lost Grey Cup (Rough Riders) 24-21 |
| 1969 | CFL | 2nd, West | 9 | 7 | 0 | Won West Semi-Final (Lions) 35-21 Lost West Finals (Roughriders) 0-2 series |
| 1970 | CFL | 3rd, West | 9 | 7 | 0 | Won West Semi-Final (Eskimos) 16-9 Won West Finals (Roughriders) 2-1 series Lost Grey Cup (Alouettes) 23-10 |
| 1971 | CFL | 1st, West | 9 | 6 | 1 | Won West Finals (Roughriders) 2-0 series Won Grey Cup (Argonauts) 14-11 |
| 1972 | CFL | 4th, West | 6 | 10 | 0 | |
| 1973 | CFL | 4th, West | 6 | 10 | 0 | |
| 1974 | CFL | 5th, West | 6 | 10 | 0 | |
| 1975 | CFL | 4th, West | 6 | 10 | 0 | |
| 1976 | CFL | 5th, West | 2 | 12 | 2 | |
| 1977 | CFL | 5th, West | 4 | 12 | 0 | |
| 1978 | CFL | 2nd, West | 9 | 4 | 3 | Won West Semi-Final (Blue Bombers) 38-4 Lost West Final (Eskimos) 26-13 |
| 1979 | CFL | 2nd, West | 12 | 4 | 0 | Won West Semi-Final (Lions) 37-2 Lost West Finals (Eskimos) 19-7 |
| 1980 | CFL | 3rd, West | 9 | 7 | 0 | Lost West Semi-Final (Blue Bombers) 32-14 |
| 1981 | CFL | 5th, West | 6 | 10 | 0 | |
| 1982 | CFL | 3rd, West | 9 | 6 | 1 | Lost West Semi-Final (Blue Bombers) 24-3 |
| 1983 | CFL | 4th, West | 8 | 8 | 0 | |
| 1984 | CFL | 5th, West | 6 | 10 | 0 | |
| 1985 | CFL | 5th, West | 3 | 13 | 0 | |
| 1986 | CFL | 4th, West | 11 | 7 | 0 | Lost West Semi-Final (Eskimos) 27-18 |
| 1987 | CFL | 3rd, West | 10 | 8 | 0 | Lost West Semi-Final (Eskimos) 30-16 |
| 1988 | CFL | 4th, West | 6 | 12 | 0 | |
| 1989 | CFL | 2nd, West | 10 | 8 | 0 | Lost West Semi-Final (Roughriders) 33-26 |
| 1990 | CFL | 1st, West | 11 | 6 | 1 | Lost West Final (Eskimos) 43-23 |
| 1991 | CFL | 2nd, West | 11 | 7 | 0 | Won West Semi-Final (Lions) 43-41 Won West Final (Eskimos) 38-36 Lost Grey Cup (Argonauts) 36-21 |
| 1992 | CFL | 1st, West | 13 | 5 | 0 | Won West Final (Eskimos) 23-22 Won Grey Cup (Blue Bombers) 24-10 |
| 1993 | CFL | 1st, West | 15 | 3 | 0 | Won West Semi-Final (Lions) 17-9 Lost West Final (Eskimos) 29-15 |
| 1994 | CFL | 1st, West | 15 | 3 | 0 | Won West Semi-Final (Roughriders) 36-3 Lost West Final (Lions) 37-36 |
| 1995 | CFL | 1st, North | 15 | 3 | 0 | Won North Semi-Final (Tiger-Cats) 31-13 Won North Final (Eskimos) 37-4 Lost Grey Cup (Stallions) 37-20 |
| 1996 | CFL | 1st, West | 13 | 5 | 0 | Lost West Final (Eskimos) 15-12 |
| 1997 | CFL | 2nd, West | 10 | 8 | 0 | Lost West Semi-Final (Roughriders) 33-30 |
| 1998 | CFL | 1st, West | 12 | 6 | 0 | Won West Final (Eskimos) 33-10 Won Grey Cup (Tiger-Cats) 26-24 |
| 1999 | CFL | 2nd, West | 12 | 6 | 0 | Won West Semi-Final (Eskimos) 30-17 Won West Final (Lions) 26-24 Lost Grey Cup (Tiger-Cats) 32-21 |
| 2000 | CFL | 1st, West | 12 | 5 | 1 | Lost West Final (Lions) 37-23 |
| 2001 | CFL | 2nd, West | 8 | 10 | 0 | Won West Semi-Final (Lions) 28-19 Won West Final (Eskimos) 34-16 Won Grey Cup (Blue Bombers) 27-19 |
| 2002 | CFL | 5th, West | 6 | 12 | 0 | |
| 2003 | CFL | 5th, West | 5 | 13 | 0 | |
| 2004 | CFL | 5th, West | 4 | 14 | 0 | |
| 2005 | CFL | 2nd, West | 11 | 7 | 0 | Lost West Semi-Final (Eskimos) 33-26 |
| 2006 | CFL | 2nd, West | 10 | 8 | 0 | Lost West Semi-Final (Roughriders) 30-21 |
| 2007 | CFL | 3rd, West | 7 | 10 | 1 | Lost West Semi-Final (Roughriders) 26-24 |
| 2008 | CFL | 1st, West | 13 | 5 | 0 | Won West Final (Lions) 22-18 Won Grey Cup (Alouettes) 22-14 |
| 2009 | CFL | 2nd, West | 10 | 7 | 1 | Won West Semi-Final (Eskimos) 24-21 Lost West Final (Roughriders) 27-17 |
| 2010 | CFL | 1st, West | 13 | 5 | 0 | Lost West Final (Roughriders) 20-16 |
| 2011 | CFL | 3rd, West | 11 | 7 | 0 | Lost West Semi-Final (Eskimos) 33-19 |
| Regular Season Totals (1935-2011) | 587 | 519 | 19 | |||
| Playoff Totals (1935-2011) | 44 | 51 | 2 | |||
| Grey Cup Totals (1935-2011) | 6 | 6 | ||||
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