Player positions provided by the CFL and errors are known to exist
Other teams associated with the Ottawa Rough Riders:
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Cain, Jim | T | 126 | 9 (1961–1969) | |
| Calcagni, Ron | QB | 9 | 2 (1980–1981) | MTL |
| Calip, Brad | SB | 9 | 1 (1986) | |
| Cameron, Larry | LB | 26 | 2 (1976–1977) | BC |
| Campbell, Arnold | DL | 2 | 1 (1989) | |
| Campbell, Jerry “Soupy” | LB | 109 | 8 (1968–1975) | CGY |
| Campbell, Joe | RB | 5 | 1 (1994) | HAM |
| Campbell, Scott | QB | 18 | 1 (1992) | |
| Canavan, Len | T | 10 | 1 (1948) | |
| Cannamela, Pat | G | 7 | 1 (1956) | |
| Cantrelle, Art | RB | 21 | 2 (1972–1973) | |
| Carlsten, George | HB | 5 | 1 (1932) | |
| Carr, Brad | LB | 20 | 2 (1978–1979) | HAM |
| Carson, Alex | C, G | 31 | 3 (1949–1951) | |
| Carter, Alex | DE | 13 | 1 (1989) | EDM |
| Carter, Don | T | 9 | 1 (1954) | |
| Carter, Kent | LB | 10 | 1 (1975) | EDM, HAM, TOR |
| Case, Jordan | QB | 30 | 3 (1980–1982) | |
| Cassata, Rick | QB | 58 | 4 (1971–1974) | BC, HAM, SSK, WPG |
| Casserley, Leo | G, T | 4 | 1 (1936) | |
| Caterbone, Mike | WR | 1 | 1 (1986) | |
| Caterbone, Mike | WR | 14 | 1 (1985) | |
| Cates, Larry | HB | 24 | 2 (1977–1978) | CGY, HAM |
| Cattelan, Roger | T | 73 | 5 (1983–1987) | |
| Chambers, Bill | G | 5 | 1 (1952) | MTL |
| Chandler, Len | E, HB | 28 | 2 (1961–1962) | HAM, TOR |
| Chaney, Jermaine | DB, RB | 5 | 2 (1995–1996) | |
| Charbonneau, Arnie | HB | 4 | 3 (1938–1940) | |
| Charlton, Ken | HB, K, P | 25 | 3 (1945–1947) | REG, SSK, WRCAFB |
| Charron, Phil | WR | 12 | 1 (1983) | CGY |
| Chaytors, Dave | DT | 13 | 1 (1993) | BC |
| Cherry, Tony | RB | 4 | 1 (1990) | BC, CGY, EDM |
| Chipper, Eric | E, HB, K, T | 73 | 9 (1938–1940, 1945–1950) | |
| Christensen, Jay | SB | 17 | 1 (1995) | BC, CGY, EDM |
| Christman, Hank | T | 23 | 2 (1946–1947) | |
| Chronopoulos, Denny | G | 36 | 2 (1992–1993) | BC, CGY |
| Church, Harry | FW, T | 4 | 1 (1932) | |
| Clark, Don | HB | 8 | 1 (1959) | MTL |
| Clark, Ken | P | 73 | 5 (1983–1987) | HAM, SSK, TOR |
| Clarke, Greg | RB | 7 | 1 (1982) | |
| Clarkson, Ross | WR | 48 | 4 (1977–1980) | BC, HAM |
| Clatney, Paul | DB | 9 | 1 (1994) | CGY, TOR, WPG |
| Clavin, Tom | HB, K | 2 | 1 (1950) | |
| Clay, Dennis | DB | 9 | 1 (1986) | TOR |
| Clay, Steve | WR | 2 | 1 (1996) | |
| Clements, Tom | QB | 64 | 4 (1975–1978) | HAM, SSK, WPG |
| Clemons, Charlie | LB | 7 | 1 (1995) | WPG |
| Climie, Jock | SB, WR | 62 | 4 (1991–1994) | MTL, TOR |
| Cline, Michael | DL | 26 | 3 (1986–1988) | |
| Cline, Bill | DB, QB | 42 | 3 (1965–1967) | SSK |
| Code, Merl | DB | 5 | 1 (1976) | MTL |
| Cody, Mac | WR | 2 | 1 (1994) | BRM, HAM, MTL, TOR |
| Coflin, John | OL | 2 | 1 (1992) | BC, CGY, TOR |
| Cohee, Dick | HB | 5 | 1 (1962) | HAM, MTL, SSK |
| Coleman, Lovell | FB | 14 | 1 (1968) | BC, CGY |
| Collier, Reggie | QB | 2 | 1 (1987) | |
| Collins, Doug | DT, T | 78 | 7 (1968–1974) | HAM |
| Collins, Gerry | RB | 15 | 2 (1994–1995) | EDM |
| Collins, Merv | G, K | 130 | 10 (1956–1965) | EDM, HAM, TOR |
| Collins, Ted | G, T | 42 | 3 (1965–1967) | MTL, WPG |
| Collymore, Michael | WR | 26 | 3 (1982–1984) | SSK, WPG |
| Colvey, Joe | RB | 26 | 3 (1975–1977) | CGY, MTL |
| Congemi, John | QB | 11 | 1 (1991) | BAL, TOR |
| Connell, Charles | HB, T | 12 | 2 (1931–1932) | OTT |
| Conrad, David | FB, RB | 61 | 4 (1989–1992) | SSK |
| Conroy, Jim | FB, LB, P | 97 | 8 (1960–1967) | WPG |
| Coode, Jim | G, T | 80 | 7 (1974–1980) | |
| Cook, Gary | DB | 30 | 3 (1980–1982) | |
| Cook, Glenn | DB | 39 | 3 (1980–1982) | |
| Cooper, Gwen | WR | 1 | 1 (1970) | |
| Cooper, Billy | DB, HB | 76 | 6 (1968–1973) | EDM, TOR, WPG |
| Cornelius, Charles | DB | 22 | 2 (1983–1984) | MTL |
| Coulter, Carl | OL | 1 | 1 (1993) | BC, HAM, OTT, SSK, TOR |
| Coury, Steve | WR | 3 | 1 (1980) | |
| Cox, Martin | WR | 23 | 3 (1979–1981) | TOR, WPG |
| Crain, Geoff | QB | 12 | 1 (1955) | WPG |
| Crepin, Peter | DB | 79 | 7 (1974–1980) | WPG |
| Crifo, Rob | WR | 7 | 1 (1993) | HAM, SSK, TOR, WPG |
| Crowe, Don | HB | 2 | 1 (1951) | TOR |
| Crump, Richard | RB | 30 | 3 (1979–1981) | CGY, WPG |
| Cummings, Bruce | HB, P | 44 | 4 (1950–1953) | |
| Cummings, Burt | DB | 6 | 1 (1993) | BC, WPG |
| Cummings, Joe | E | 2 | 1 (1956) | |
| Cummins, Jeff | DE | 18 | 1 (1996) | HAM, LV, TOR |
| Cunningham, Bob | FB, HB | 21 | 3 (1953–1955) | MTL |
| Cureton, Hardiman | G, T | 39 | 3 (1957–1959) | HAM, TOR |
| Curry, Ivory | DB | 2 | 1 (1983) | |
| Curry, James | DL | 8 | 1 (1986) | BC, SSK, TOR |
| Custis, Bernie | HB, QB | 7 | 1 (1955) | HAM |
| Cvijanovich, Sam | LB | 3 | 1 (1977) | BC, TOR |
| “C” player count: 90 | ||||