Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Jackson, Cliff | HB | 2 | 2 (1959–1960) | |
| Jackson, Enis | DB | 63 | 4 (1989–1992) | BC, TOR |
| Jackson, Kevin | LB | 13 | 1 (2017) | OTT |
| Jackson, Malik | DE | 2 | 1 (1994) | |
| Jackson, Mark | DB | 14 | 2 (1985–1986) | |
| Jackson, Martese | RB | 6 | 1 (2018) | MTL, TOR |
| Jackson, Joe | DE | 1 | 1 (1978) | |
| Jackson, Paris | WR | 2 | 1 (2014) | BC, OTT |
| Jackson, Quincy | WR | 15 | 2 (2001, 2003) | SSK |
| Jackson, Tristan | DB | 38 | 3 (2008–2010) | OTT, SSK |
| Jackson, Xzavie | DL | 5 | 1 (2009) | |
| Jacobucci, Romeo | G | 3 | 1 (1952) | |
| Jagas, Frank | K | 5 | 1 (1996) | SSK |
| James, Brandon | WR | 5 | 1 (2011) | |
| James, Fred | DL | 14 | 1 (1975) | CGY |
| Jarrett, Olanzo | LB | 13 | 2 (2003–2004) | |
| Jauch, Jim | DB | 14 | 1 (1990) | CGY, HAM |
| Jean-Louis, Michael | DL | 17 | 1 (2007) | |
| Jeanty, Rashad | DL, LB | 38 | 4 (2003–2005, 2012) | |
| Jefferson, Willie | DE, DL | 35 | 2 (2014–2015) | SSK |
| Jenkins, Joe | LB | 8 | 1 (1984) | |
| Jenkins, Mike | RB | 1 | 1 (2005) | MTL, TOR |
| Jeralds, Luther | T | 2 | 1 (1963) | |
| Johnson, Art | HB | 4 | 1 (1966) | CGY, TOR |
| Johnson, Belton | OL | 2 | 1 (2012) | HAM, SSK, WPG |
| Johnson, Eric | DL | 17 | 1 (1999) | |
| Johnson, Jason | QB | 54 | 3 (2004–2006) | |
| Johnson, Leonard | DT | 11 | 1 (1993) | LV, OTT, TOR, WPG |
| Johnstone, Chris | RB | 102 | 7 (1986–1992) | WPG |
| Jones, Andrew | RG | 25 | 2 (2014–2015) | BC, SSK, TOR |
| Jones, Brian | LB | 1 | 1 (1975) | |
| Jones, Ed “Too Small” | DB | 110 | 8 (1976–1983) | BC |
| Jones, Garrick | OL | 16 | 2 (2008–2009) | CGY, WPG |
| Jones, Jermaine | DB | 8 | 1 (2001) | |
| Jones, Kitwana | LB | 9 | 1 (2009) | MTL, SSK |
| Jones, Korey | LB | 48 | 3 (2015, 2017–2018) | BC, SSK |
| Jones, Leroy | DB, DE | 26 | 2 (1974–1975) | |
| Jones, Milson | RB | 63 | 5 (1983–1987) | SSK, WPG |
| Jones, Phil | DB | 6 | 1 (1986) | MTL, OTT, TOR |
| Jones, Ricky | QB | 2 | 1 (1993) | |
| Jones, Stephan | WR | 59 | 4 (1986–1989) | OTT, SSK |
| Jones, Vic | HB | 1 | 1 (1960) | |
| Jones, Warren | QB | 33 | 3 (1990–1991, 1996) | SSK |
| Jordan, Johnny | HB | 7 | 1 (1938) | |
| Jordan, Stephen | DB | 20 | 2 (1991–1992) | HAM |
| Jordon, John | HB | 4 | 1 (1939) | |
| Joseph, Elvis | RB | 4 | 1 (2005) | |
| Joseph, Kerry | QB | 55 | 4 (2010–2013) | OTT, SSK, TOR |
| Juneau, Curry Jr. | E | 2 | 1 (1960) | CGY, MTL |
| Justin, Airabin | DB | 2 | 1 (2008) | HAM, SSK |
| Jyles, Steven | QB | 54 | 3 (2006–2007, 2012) | SSK, TOR, WPG |
| “J” player count: 51 | ||||