This is a complete list of seasons competed by the BC Lions, a Canadian Football League team. While the team was founded in 1954, they did not join the CFL until it was founded in 1958. Throughout their history, the Lions have won six Grey Cups.
| Grey Cup Championships † | West Division Championships * | Regular season championships ^ |
| League season | Lions season | League | Division | Finish | Wins | Losses | Ties | Playoffs |
|---|---|---|---|---|---|---|---|---|
| 1954 | 1954 | WIFU | – | 5th | 1 | 15 | 0 | |
| 1955 | 1955 | WIFU | – | 4th | 5 | 11 | 0 | |
| 1956 | 1956 | WIFU | – | 4th | 6 | 10 | 0 | |
| 1957 | 1957 | WIFU | – | 4th | 4 | 11 | 1 | |
| 1958 | 1958 | CFL | W.I.F.U. | 5th | 3 | 13 | 0 | |
| 1959 | 1959 | CFL | W.I.F.U. | 3rd | 9 | 7 | 0 | Lost West Semi-Finals (Eskimos) 61–15 |
| 1960 | 1960 | CFL | W.I.F.U. | 4th | 5 | 9 | 2 | |
| 1961 | 1961 | CFL | West | 5th | 1 | 13 | 2 | |
| 1962 | 1962 | CFL | West | 4th | 7 | 9 | 0 | |
| 1963 | 1963 | CFL | West* | 1st^ | 12 | 4 | 0 | Won West Finals (Roughriders) 2–1 series Lost Grey Cup (Tiger-Cats) 21–10 |
| 1964 | 1964 | CFL† | West* | 1st^ | 11 | 2 | 3 | Won West Finals (Stampeders) 2–1 series Won Grey Cup (Tiger-Cats) 34–24 † |
| 1965 | 1965 | CFL | West | 4th | 6 | 9 | 1 | |
| 1966 | 1966 | CFL | West | 5th | 5 | 11 | 0 | |
| 1967 | 1967 | CFL | West | 5th | 3 | 12 | 1 | |
| 1968 | 1968 | CFL | West | 4th | 4 | 11 | 1 | |
| 1969 | 1969 | CFL | West | 3rd | 5 | 11 | 0 | Lost West Semi-Final (Stampeders) 35–21 |
| 1970 | 1970 | CFL | West | 4th | 6 | 10 | 0 | |
| 1971 | 1971 | CFL | West | 4th | 6 | 9 | 1 | |
| 1972 | 1972 | CFL | West | 5th | 5 | 11 | 0 | |
| 1973 | 1973 | CFL | West | 3rd | 5 | 9 | 2 | Lost West Semi-Final (Roughriders) 33–13 |
| 1974 | 1974 | CFL | West | 3rd | 8 | 8 | 0 | Lost West Semi-Final (Roughriders) 24–14 |
| 1975 | 1975 | CFL | West | 5th | 6 | 10 | 0 | |
| 1976 | 1976 | CFL | West | 4th | 5 | 9 | 2 | |
| 1977 | 1977 | CFL | West | 2nd | 10 | 6 | 0 | Won West Semi-Final (Blue Bombers) 33–32 Lost West Final (Eskimos) 38–1 |
| 1978 | 1978 | CFL | West | 4th | 7 | 7 | 2 | |
| 1979 | 1979 | CFL | West | 3rd | 9 | 6 | 1 | Lost West Semi-Final (Stampeders) 37–2 |
| 1980 | 1980 | CFL | West | 4th | 8 | 7 | 1 | |
| 1981 | 1981 | CFL | West | 3rd | 10 | 6 | 0 | Won West Semi-Final (Blue Bombers) 15–11 Lost West Final (Eskimos) 22–16 |
| 1982 | 1982 | CFL | West | 4th | 9 | 7 | 0 | |
| 1983 | 1983 | CFL | West* | 1st^ | 11 | 5 | 0 | Won West Final (Blue Bombers) 39–21 Lost Grey Cup (Argonauts) 18–17 |
| 1984 | 1984 | CFL | West | 1st^ | 12 | 3 | 1 | Lost West Final (Blue Bombers) 3–14 |
| 1985 | 1985 | CFL† | West* | 1st^ | 13 | 3 | 0 | Won West Final (Blue Bombers) 42–22 Won Grey Cup (Tiger-Cats) 37–24† |
| 1986 | 1986 | CFL | West | 2nd | 12 | 6 | 0 | Won West Semi-Final (Blue Bombers) 21–14 Lost West Final (Eskimos) 41–5 |
| 1987 | 1987 | CFL | West | 1st^ | 12 | 6 | 0 | Lost West Final (Eskimos) 31–7 |
| 1988 | 1988 | CFL | West* | 3rd | 10 | 8 | 0 | Won West Semi-Final (Roughriders) 42–18 Won West Final (Eskimos) 37–19 Lost Grey Cup (Blue Bombers) 22–21 |
| 1989 | 1989 | CFL | West | 4th | 7 | 11 | 0 | |
| 1990 | 1990 | CFL | West | 4th | 6 | 11 | 1 | |
| 1991 | 1991 | CFL | West | 3rd | 11 | 7 | 0 | Lost West Semi-Final (Stampeders) 43–41 |
| 1992 | 1992 | CFL | West | 4th | 3 | 15 | 0 | |
| 1993 | 1993 | CFL | West | 4th | 10 | 8 | 0 | Lost West Semi-Final (Stampeders) 17–9 |
| 1994 | 1994 | CFL† | West* | 3rd | 11 | 6 | 1 | Won West Semi-Final (Eskimos) 24–23 Won West Final (Stampeders) 37–36 Won Grey Cup (Baltimore CFLers) 26–23 † |
| 1995 | 1995 | CFL | North | 3rd | 10 | 8 | 0 | Lost North Semi-Final (Eskimos) 26–15 |
| 1996 | 1996 | CFL | West | 5th | 5 | 13 | 0 | |
| 1997 | 1997 | CFL | West | 4th | 8 | 10 | 0 | Lost East Semi-Final (Alouettes) 45–35 |
| 1998 | 1998 | CFL | West | 3rd | 9 | 9 | 0 | Lost West Semi-Final (Eskimos) 40–33 |
| 1999 | 1999 | CFL | West | 1st^ | 13 | 5 | 0 | Lost West Final (Stampeders) 26–24 |
| 2000 | 2000 | CFL† | West* | 3rd | 8 | 10 | 0 | Won West Semi-Final (Eskimos) 34–32 Won West Final (Stampeders) 37–23 Won Grey Cup (Alouettes) 28–26 † |
| 2001 | 2001 | CFL | West | 3rd | 8 | 10 | 0 | Lost West Semi-Final (Stampeders) 28–19 |
| 2002 | 2002 | CFL | West | 3rd | 10 | 8 | 0 | Lost West Semi-Final (Blue Bombers) 30–3 |
| 2003 | 2003 | CFL | West | 4th | 11 | 7 | 0 | Lost East Semi-Final (Argonauts) 28–7 |
| 2004 | 2004 | CFL | West* | 1st^ | 13 | 5 | 0 | Won West Final (Roughriders) 27–25 Lost Grey Cup (Argonauts) 27–19 |
| 2005 | 2005 | CFL | West | 1st^ | 12 | 6 | 0 | Lost West Final (Eskimos) 28–23 |
| 2006 | 2006 | CFL† | West* | 1st^ | 13 | 5 | 0 | Won West Final (Roughriders) 45–18 Won Grey Cup (Alouettes) 25–14 † |
| 2007 | 2007 | CFL | West | 1st^ | 14 | 3 | 1 | Lost West Final (Roughriders) 26–17 |
| 2008 | 2008 | CFL | West | 3rd | 11 | 7 | 0 | Won West Semi-Final (Roughriders) 33–12 Lost West Final (Stampeders) 22–18 |
| 2009 | 2009 | CFL | West | 4th | 8 | 10 | 0 | Won East Semi-Final (Tiger-Cats) 34–27 Lost East Final (Alouettes) 56–18 |
| 2010 | 2010 | CFL | West | 3rd | 8 | 10 | 0 | Lost West Semi-Final (Roughriders) 41–38 |
| 2011 | 2011 | CFL† | West* | 1st^ | 11 | 7 | 0 | Won West Final (Eskimos) 40–23 Won Grey Cup (Blue Bombers) 34–23† |
| 2012 | 2012 | CFL | West | 1st^ | 13 | 5 | 0 | Lost West Final (Stampeders) 34–29 |
| 2013 | 2013 | CFL | West | 3rd | 11 | 7 | 0 | Lost West Semi-Final (Roughriders) 29–25 |
| 2014 | 2014 | CFL | West | 4th | 9 | 9 | 0 | Lost East Semi-Final (Alouettes) 50–17 |
| 2015 | 2015 | CFL | West | 3rd | 7 | 11 | 0 | Lost West Semi-Final (Stampeders) 35–9 |
| 2016 | 2016 | CFL | West | 2nd | 12 | 6 | 0 | Won West Semi-Final (Blue Bombers) 32–31 Lost West Final (Stampeders) 42–15 |
| 2017 | 2017 | CFL | West | 5th | 7 | 11 | 0 | |
| 2018 | 2018 | CFL | West | 4th | 9 | 9 | 0 | Lost East Semi-Final (Tiger-Cats) 48–8 |
| 2019 | 2019 | CFL | West | 5th | 5 | 13 | 0 | |
| 2020 | 2020 | CFL | West | Season cancelled due to the COVID-19 pandemic | ||||
| 2021 | 2021 | CFL | West | 4th | 5 | 9 | 0 | |
| 2022 | 2022 | CFL | West | 2nd | 12 | 6 | 0 | Won West Semi-Final (Stampeders) 30–16 Lost West Final (Blue Bombers) 28–20 |
| 2023 | 2023 | CFL | West | 2nd | 12 | 6 | 0 | Won West Semi-Final (Stampeders) 41-30 Lost West Final (Blue Bombers) 24–13 |
| Regular season Totals (1954–2023) | 573 | 577 | 24 | |||||
| Playoff Totals (1954–2023) | 23 | 34 | 0 | |||||
| Grey Cup Totals (1954–2023) | 6 | 4 | 0 | |||||