Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Rachal, Latario | WR | 10 | 1 (2003) | |
| Radzick, Walter | T | 27 | 2 (1958–1959) | HAM, TOR |
| Raeford, James “Pete” | DB | 1 | 1 (1985) | |
| Ragon, Randy | WR | 12 | 1 (1975) | EDM, SSK |
| Ralph, Brett | WR | 90 | 5 (2005–2009) | |
| Rambo, Ken-Yon | WR | 98 | 7 (2005–2011) | TOR |
| Randle, Chris | DB, LB | 31 | 2 (2012–2013) | WPG |
| Rankin, Al | WR | 16 | 1 (1971) | BC, SSK |
| Rasheed, Saleem | LB | 9 | 1 (2008) | |
| Rayam, Tom | OL | 42 | 3 (1999–2001) | BRM, EDM, TOR |
| Raymond, Harold | HB | 9 | 2 (1946–1947) | |
| Raymond, Keon | DB, LB | 122 | 8 (2008–2015) | HAM, TOR |
| Redell, Bill | DB | 16 | 1 (1969) | EDM, HAM |
| Redkey, Bob | FB, LB | 8 | 1 (1952) | |
| Reed, Matthew | QB | 15 | 2 (1977–1978) | TOR |
| Reed, Taylor | LB | 10 | 1 (2016) | EDM, HAM, OTT |
| Reeve, Hal | E | 12 | 1 (1955) | |
| Regimbald, Scott | FB, RB, SB | 86 | 5 (2000–2004) | WPG |
| Reid, Doug | FB, HB | 28 | 2 (1950–1951) | BC |
| Reid, Kevin | WR | 36 | 2 (1995–1996) | |
| Reid, Lorne | T | 53 | 4 (1958–1961) | BC |
| Reimer, Tom | DB | 51 | 4 (1978–1981) | |
| Reinson, Roger | LB | 83 | 6 (1994–1999) | BC, EDM |
| Renfro, Dean | HB | 18 | 2 (1956–1957) | |
| Renfroe, Gilbert | QB | 9 | 1 (1991) | BC, OTT, SHR, TOR |
| Renfrow, Justin | OL | 7 | 2 (2017–2018) | |
| Retherford, Dave | WR | 2 | 1 (1984) | |
| Reykdal, John | C | 1 | 1 (1970) | EDM, TOR |
| Reynard, Greg | DT | 11 | 2 (1988–1989) | HAM, TOR |
| Reynolds, Joffrey | RB | 125 | 8 (2004–2011) | |
| Rhinehart, Coby | CB, DB | 30 | 2 (2005–2006) | MTL |
| Richards, Randy | LT, OL, RT | 25 | 4 (2015–2018) | SSK |
| Richardson, Bruce | E | 4 | 1 (1950) | TOR |
| Richardson, Eddie II | WR | 2 | 1 (1977) | |
| Richardson, Shaquille | CB, LB | 27 | 2 (2016–2017) | |
| Riddick, Eric | DB | 1 | 1 (2002) | MTL |
| Ring, Kent | LB | 20 | 2 (2000–2001) | |
| Robb, Don | G | 2 | 1 (1961) | |
| Robede, Miguel | DE, DL | 53 | 5 (2006–2010) | |
| Roberson, Clay Jr. | LB | 3 | 1 (2005) | MTL |
| Roberson, Tre | DB | 16 | 1 (2018) | |
| Roberson, Vern | DB | 25 | 2 (1975–1976) | OTT |
| Roberts, Art “Butch” | C | 5 | 1 (1947) | CGYB |
| Roberts, Willie | E, FW | 25 | 2 (1955, 1957) | |
| Robertson, James | FW | 0 | 1 (1952) | |
| Robertson, Taylor | OL | 51 | 4 (2003–2006) | TOR |
| Robertson, Wes | LB | 10 | 1 (2004) | |
| Robinson, Donavan | DL | 3 | 1 (2012) | |
| Robinson, Ken | TE | 2 | 1 (1974) | WPG |
| Robinson, Larry | DB, HB, K | 224 | 14 (1961–1974) | |
| Robinson, Robert | DL, G | 7 | 2 (1997, 1999) | SSK, WPG |
| Robinson, Ron | WR | 6 | 2 (1980–1981) | BC, MTL, SSK |
| Rodgers, Tyrone | DE | 16 | 1 (2002) | BC, TOR, WPG |
| Rodriguez, Robert | LB | 2 | 2 (2006–2007) | |
| Rogers, Eric | R, SB, WR | 28 | 3 (2014–2015, 2018) | |
| Rogers, Joseph | WR | 6 | 1 (1997) | EDM, OTT, WPG |
| Romano, Rocco | G, OL, T | 175 | 10 (1987, 1992–2000) | BC, OTT, TOR |
| Rome, Tag | SB | 17 | 2 (1985–1986) | EDM |
| Rooney, Clare | HB | 7 | 1 (1947) | |
| Rose, Mike | DL | 1 | 2 (2017–2018) | |
| Ross, Marvin | DB | 2 | 1 (2017) | |
| Ross, Rae | DB, E | 16 | 1 (1958) | BC, WPG |
| Ross, Willie | HB | 6 | 1 (1966) | |
| Rothwell, Harry | HB | 25 | 2 (1954–1955) | |
| Roundtree, Andre | LB | 1 | 1 (1976) | HAM |
| Rowe, Paul | FB, HB | 51 | 6 (1945–1950) | CGYB |
| Rowell, Lemarcus | LB | 6 | 2 (2008–2009) | |
| Rowland, Ronnie | RB | 1 | 1 (1978) | HAM |
| Roy, Billy | T | 48 | 3 (1968–1970) | EDM, MTL |
| Roy, Sebastien | LB | 1 | 1 (2005) | MTL, WPG |
| Ruffin, Aaron | DB | 2 | 1 (1992) | HAM, SSK |
| Ruffin, J.R. | DB | 23 | 4 (2006–2009) | BC |
| Runge, Dan | SB | 9 | 1 (1985) | EDM |
| Russell, Frank | DB | 3 | 1 (1996) | |
| Ryan, Titus | WR | 10 | 1 (2009) | WPG |
| Rylance, Heath | QB | 2 | 1 (1999) | SSK |
| “R” player count: 76 | ||||