Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Radovich, Bill | T | 14 | 1 (1949) | |
| Raesz, Eugene Jr. | E, HB | 9 | 1 (1963) | |
| Ragon, Randy | WR | 4 | 1 (1977) | CGY, SSK |
| Ralph, Brock | WR | 38 | 4 (2003–2005, 2008) | HAM, WPG |
| Ramsay, Brian | C, OL | 75 | 5 (2011–2015) | HAM, TOR |
| Ray, Ricky | QB | 156 | 9 (2002–2003, 2005–2011) | TOR |
| Ray, Terry | DB, LB | 65 | 4 (1999–2002) | WPG |
| Rayam, Tom | OL | 53 | 3 (1996–1998) | BRM, CGY, TOR |
| Rector, Jamaica | WR | 24 | 2 (2009–2010) | |
| Redell, Bill | QB | 41 | 3 (1964–1966) | CGY, HAM |
| Redick, Cornelius Jr. | WR | 3 | 1 (1989) | OTT |
| Reed, Andre | LB | 2 | 1 (2001) | |
| Reed, Kavis | DB | 67 | 5 (1995–1999) | |
| Reed, Kenny | G, T | 30 | 2 (1963–1964) | SSK |
| Reed, Taylor | LB | 1 | 1 (2018) | CGY, HAM, OTT |
| Reese, Albert Jr. | DL | 84 | 5 (2000–2004) | |
| Reid, Jermaine | DT | 25 | 2 (2011–2012) | BC, HAM |
| Reilly, Mike | QB | 99 | 6 (2013–2018) | BC |
| Reinson, Roger | LB, RB | 71 | 5 (2001–2005) | BC, CGY |
| Rennie, Russ | E | 8 | 1 (1939) | CGYB |
| Restelli, Mark | LB | 24 | 3 (2009–2011) | |
| Reykdal, John | C | 28 | 2 (1968–1969) | CGY, TOR |
| Reynolds, Keith | LB | 1 | 1 (2015) | |
| Ribbins, Pete | DB | 5 | 1 (1977) | HAM, WPG |
| Richard, Donovan | DB | 8 | 1 (2013) | |
| Richards, Tom | SB, WR | 74 | 5 (1986–1990) | |
| Richardson, Dave | T | 20 | 2 (1988–1989) | HAM |
| Richardson, Elliott | DB | 23 | 2 (2009–2010) | SSK |
| Richardson, Jamie | WR | 5 | 1 (1998) | |
| Richardson, Shaun | LB | 3 | 1 (2009) | |
| Ricks, Michael | DB | 0 | 1 (2012) | |
| Rimstad, Louis | G | 17 | 2 (1938–1939) | CGYB |
| Ring, Justin | LB | 55 | 4 (1999–2002) | HAM |
| Rivers, Gerald | DL | 5 | 1 (2018) | WPG |
| Roberts, Jed | DE, DL, DT, LB | 168 | 13 (1990–2002) | |
| Robertson, Darrell | DE | 2 | 1 (2008) | |
| Robertson, Patrick | WR | 2 | 1 (2014) | |
| Robinson, Bradley | DB | 15 | 2 (2008–2009) | |
| Robinson, Durell | WR | 5 | 2 (2002–2003) | |
| Robinson, Jordan | RB | 9 | 1 (2018) | |
| Robinson, Junior | DB | 35 | 2 (1987–1988) | BC, HAM, OTT, SSK, WPG |
| Robinson, Lee | DE, DL | 10 | 2 (2011–2012) | |
| Robinson, Mike | LB | 3 | 1 (1985) | HAM, WPG |
| Robinson, Scott | WR | 51 | 4 (2001–2004) | BC, WPG |
| Robirtis, Rae | C | 2 | 1 (1991) | HAM, OTT |
| Rockford, Jim | DB | 2 | 1 (1991) | HAM, TOR |
| Rodger, Devin | OL | 6 | 1 (2004) | |
| Rodriguez, Prechae | WR | 3 | 1 (2011) | HAM, MTL, SSK, TOR |
| Rogers, Adam | OL | 17 | 2 (2009–2010) | HAM |
| Rogers, Glenn Jr. | DB | 89 | 5 (1993–1997) | BC, SSK |
| Rogers, Joseph | WR | 7 | 1 (1998) | CGY, OTT, WPG |
| Rolhiser, Morley | G | 6 | 1 (1965) | WPG |
| Romaniuk, Alex | G, T | 5 | 1 (1949) | |
| Rome, Tag | WR | 2 | 1 (1984) | CGY |
| Romeo, Jean-Francois | WR | 25 | 2 (2006–2007) | |
| Romero, Dario | DL, DT | 55 | 4 (2001, 2008–2010) | MTL, SSK |
| Rorabaugh, Chad | DL | 3 | 1 (1998) | |
| Rottier, Simeon | C, LG, OL | 70 | 6 (2012–2017) | HAM |
| Roundtree, Raleigh | OL | 25 | 2 (2006–2007) | |
| Rowekamp, Bill | E, HB | 17 | 2 (1953, 1956) | |
| Roy, Billy | T | 32 | 2 (1966–1967) | CGY, MTL |
| Roy, Jean-Simon | OL | 3 | 2 (2017–2018) | |
| Ruby, Jacob | OL | 23 | 2 (2017–2018) | MTL |
| Rule, Pete | E | 6 | 1 (1938) | |
| Runge, Dan | TE | 23 | 2 (1984–1985) | CGY |
| Rusinek, Mike | DL | 1 | 1 (1988) | |
| Rwabukamba, Chris | DB | 30 | 3 (2013–2014, 2017) | BC, HAM |
| “R” player count: 67 | ||||