or
Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Kahl-Winter, Bill | T | 8 | 1 (1978) | BC |
| Kalin, John | DB | 22 | 2 (1996–1997) | CGY, EDM, WPG |
| Kankolongo, Nehemie | LB | 4 | 1 (2017) | BC, EDM, SSK, WPG |
| Karhut, Ryan | OL | 0 | 1 (2008) | |
| Karikari, Richard | DB | 66 | 4 (2003–2006) | CGY, HAM |
| Karpuk, Pete | E, HB | 28 | 2 (1956–1957) | HAM, OTT, OTTC |
| Kashama, Alain | DL, LB | 25 | 3 (2006–2008) | CGY, HAM |
| Kazadi, Muadiavate | LB | 4 | 1 (1999) | |
| Keeble, Glenn | C | 74 | 5 (1982–1986) | TOR |
| Keeley, Earl | QB | 1 | 1 (1963) | BC |
| Keeping, Jeff | DT | 0 | 1 (2008) | TOR, WPG |
| Kellett, Matt | K | 33 | 2 (2003–2004) | BC, EDM, OTT |
| Kelsey, Brian | WR | 5 | 1 (1971) | BC |
| Kemp, Jimmy | QB | 8 | 1 (1996) | EDM, SA, SSK, TOR |
| Kempf, Peter | E, K | 14 | 1 (1966) | BC, EDM |
| Kenerson, John | E | 4 | 1 (1965) | OTT, WPG |
| Kennedy, John | T | 4 | 1 (1974) | BC, OTT, TOR |
| Kent, Clint | DB | 9 | 1 (2006) | EDM, WPG |
| Keys, Eagle “Buddy” | C | 35 | 3 (1949–1951) | EDM |
| Kijek, Fred | FW, HB, P | 36 | 3 (1947–1949) | HAM, OAK |
| Kincaid, James “Blackie” | HB | 3 | 1 (1955) | HAM |
| King, Dave | HB | 24 | 3 (1958–1960) | BB, KW |
| King, Ed | T | 2 | 1 (1999) | SSK |
| King, Pete | E, HB | 18 | 2 (1946–1947) | |
| Kinney, George | DE | 9 | 1 (1966) | |
| Kirbyson, Roy | HB | 20 | 3 (1946–1948) | |
| Kist, Tim | LB | 4 | 1 (1981) | |
| Kitchens, Darrin | DL | 6 | 1 (2015) | |
| Kizer, Rayshaun | DB | 10 | 1 (2008) | |
| Klassen, Michael | DL, DT | 54 | 4 (2013–2016) | CGY, OTT |
| Klein, George | HB | 10 | 1 (1955) | BC |
| Knapton, Gabriel | DE, DL | 73 | 6 (2014–2019) | BC |
| Knowles, Jamahl | DB | 19 | 3 (2013–2015) | |
| Knowlton, Gordie | LB | 5 | 1 (1980) | TOR |
| Knox, Kyle | LB | 0 | 1 (2018) | WPG |
| Korchak, Robert “Bud” | E, FW, K | 14 | 2 (1955–1956) | CGY, OTT, WPG |
| Kosec, Frank | LB | 54 | 4 (1982–1985) | CGY |
| Kosmos, Mark | LB | 28 | 2 (1970–1971) | HAM, OTT |
| Koster, Jared | LB | 1 | 1 (2016) | |
| Kovac, Mike | G | 110 | 9 (1953–1961) | |
| Kozachuk, Paul | LB | 32 | 3 (2018–2019, 2021) | |
| Kralik, Joe | WR | 3 | 1 (1996) | OTT, SA |
| Kramer, Roger | T | 10 | 1 (1962) | CGY, OTT |
| Krebs, Hal | G | 54 | 4 (1958–1961) | CGY, HAM, KW, LDN, TOR |
| Kresser, Eric | QB | 11 | 1 (2002) | |
| Kruspe, John | DB | 10 | 1 (1969) | HAM, OTT |
| Kuale, E.J. | LB | 6 | 1 (2013) | SSK, TOR, WPG |
| Kuisma, Jorma | LB | 28 | 2 (1970–1971) | |
| Kuklo, Joe | S | 13 | 1 (1981) | BC, HAM |
| Kulka, Glenn | DL | 6 | 1 (1986) | OTT, SSK, TOR |
| Kurtz, Roy | K | 28 | 2 (1985–1986) | BC, HAM |
| “K” player count: 51 | ||||