or
Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Sabo, Bill | HB | 4 | 1 (1947) | |
| Sakeel, Jimmy | HB | 8 | 1 (1946) | TOR |
| Sakoda, Louie | K | 6 | 2 (2009–2010) | WPG |
| Samples, Mike | DT | 73 | 6 (1978–1983) | BC, HAM |
| Samuels, Bobby | DB | 2 | 1 (1992) | |
| Sandberg, Bob | HB | 11 | 1 (1951) | WPG |
| Sanders, Danny | QB | 8 | 2 (1979–1980) | HAM |
| Sanders, Jock | RB | 21 | 2 (2012–2013) | BC, CGY, OTT |
| Sanford, Robert | RB | 1 | 1 (2003) | |
| Santucci, Pat | T | 12 | 1 (1949) | HAM, MTL, TOR |
| Sanyika, Sekou | LB | 10 | 1 (2004) | |
| Sarette, Dave | QB | 13 | 1 (1962) | |
| Sarkisian, Steve | QB | 39 | 3 (1997–1999) | |
| Saunders, Mike | RB | 73 | 6 (1992–1994, 1997–1999) | HAM, MTL, SA, TOR |
| Schaffer-Baker, Kian | WR | 7 | 1 (2021) | |
| Schilens, Chaz | SB, WR | 6 | 1 (2014) | |
| Schmitt, Ricky | P | 18 | 2 (2012–2013) | BC |
| Schnell, Dick | E, G, LB, T | 40 | 4 (1963–1966) | MTL |
| Scholl, Troy | HB | 6 | 1 (1939) | |
| Schram, Braden | OL | 12 | 2 (2018–2019) | HAM |
| Schriewer, Menan “Tex” | E | 13 | 1 (1959) | TOR |
| Schultz, Scott | DL, DT | 128 | 9 (2001–2009) | |
| Schultz, Tom | LB | 29 | 3 (1980–1982) | BC, WPG |
| Schulz, Dick | G, K | 2 | 1 (1964) | |
| Scoccia, Sam | G | 42 | 3 (1952–1954) | HAM, OTT |
| Scott, Edgar | HB | 1 | 1 (1972) | |
| Scott, Kevin | DE | 4 | 2 (2008–2009) | HAM, OTT |
| Scott, Mark | LB | 4 | 1 (1992) | BC, HAM, OTT |
| Scrivener, Colin | DT | 73 | 5 (1998–2002) | WPG |
| Scrivener, Glen | DL | 18 | 1 (1991) | BC, EDM, TOR, WPG |
| Sealey, Bernard | U | 0 | 1 (1937) | |
| Seaman, Don | LB | 55 | 4 (1969–1972) | |
| Shaw, Cliff | LB | 75 | 5 (1966–1970) | |
| Shaw, Dave | T | 16 | 1 (1960) | CGY |
| Shaw, Kenny | WR | 3 | 1 (2018) | OTT, TOR |
| Shaw, Sedrick | RB | 25 | 2 (2002–2003) | |
| Shaw, Wayne | G, LB | 187 | 12 (1961–1972) | |
| Sheets, Kory | RB | 33 | 2 (2012–2013) | |
| Sheffield, Cameron | DL | 0 | 1 (2015) | EDM |
| Shellogg, Alex | T | 8 | 1 (1938) | |
| Shepley, Dakoda | OL | 18 | 1 (2019) | |
| Shields, George | T | 0 | 1 (1945) | WRCAFB |
| Shologan, Keith | DL | 88 | 6 (2008–2013) | MTL, OTT, WPG |
| Shorts, Pete | T | 10 | 2 (1995–1996) | HAM, SA |
| Showalter, Johnny | QB | 8 | 1 (1946) | |
| Sidoo, Dave | DB | 82 | 5 (1983–1987) | BC |
| Silverman, Craig | DT | 7 | 1 (1980) | |
| Silzer, Dennis | E | 2 | 1 (1960) | |
| Simmons, Jason | DT | 8 | 1 (1997) | HAM |
| Simmons, (Unknown) | U | 1 | 1 (1937) | |
| Simms, Eddie | HB | 2 | 1 (1958) | CGY, LDN, TOR |
| Simon, Geroy | WR | 15 | 1 (2013) | BC, WPG |
| Simonsen, Ernie “Si” | HB | 20 | 2 (1939–1940) | |
| Simpson, Barrin | LB | 34 | 2 (2010–2011) | BC, WPG |
| Sims, Blake | QB | 5 | 1 (2015) | |
| Sims, Phillip | QB | 0 | 1 (2016) | |
| Sisco, Jordan | WR | 17 | 5 (2010–2014) | |
| Skipper, Harry | DB | 59 | 4 (1986–1989) | MTL |
| Skolrood, Lawrie | OL, TE | 145 | 10 (1974, 1979–1987) | HAM |
| Skrien, Dave | HB | 0 | 1 (1953) | WPG |
| Slack, Reggie | QB | 45 | 3 (1997–1999) | BRM, HAM, TOR, WPG |
| Slafkosky, John | T | 1 | 1 (1964) | |
| Slaton, Tony | DB | 4 | 1 (1986) | |
| Small, Darnell | LB | 14 | 2 (1997–1998) | WPG |
| Smart, John | HB | 9 | 1 (1958) | |
| Smear, Steve | LB | 13 | 2 (1974–1975) | MTL, TOR |
| Smith, Brett | QB | 18 | 1 (2015) | |
| Smith, Earl | E | 1 | 1 (1961) | |
| Smith, Eddie | HB | 5 | 1 (1948) | |
| Smith, Gord “Red” | E | 1 | 1 (1948) | WPG |
| Smith, Harold | QB | 13 | 2 (1985–1986) | EDM |
| Smith, Keith | QB | 16 | 1 (2001) | CGY |
| Smith, Kerry | WR | 12 | 1 (1980) | HAM, TOR |
| Smith, Mario | DB | 13 | 2 (1998–1999) | HAM |
| Smith, Neal | DL | 14 | 1 (1999) | |
| Smith, Ray | E, HB | 22 | 3 (1960–1962) | |
| Smith, Ryan | SB, WR | 24 | 2 (2014–2015) | WPG |
| Smith, Taj | WR | 47 | 4 (2012–2015) | |
| Smith, Tommie | LB | 10 | 1 (1996) | SA, WPG |
| Smith, Trevis | LB | 91 | 7 (1999–2005) | |
| Smith, Wayne | DE | 2 | 1 (1980) | BC, HAM, OTT, TOR |
| Smith, Wayne | OL | 31 | 4 (2007–2010) | HAM, TOR |
| Spann, Chad | RB | 1 | 1 (2015) | |
| Sparks, Robert | DB | 1 | 1 (1980) | CGY, OTT |
| Speedie, Mac | E | 29 | 2 (1953–1954) | BC |
| Spence, Sandy | HB | 3 | 1 (1952) | |
| Spencer, Walter | DB, LB | 34 | 2 (2004–2005) | CGY, MTL, TOR |
| Spicer, Paul | DE | 6 | 1 (1998) | |
| Springstein, Clarence “Toar” | K, T | 84 | 8 (1939–1941, 1946, 1949–1952) | |
| Srochenski, Randy | LB | 102 | 7 (1994, 1996–2001) | TOR |
| Stadnyk, Michael | DE | 6 | 1 (2009) | |
| Stafford, Kenny | WR | 0 | 1 (2019) | CGY, EDM, MTL, OTT |
| Stancil, T.J. | DB, LB | 22 | 3 (2005–2007) | |
| Stanford, Joshua | R, WR | 21 | 3 (2016–2018) | MTL |
| Stasica, Stan | QB | 7 | 1 (1947) | |
| Staten, Tony | DB | 1 | 1 (1986) | |
| Steele, Curtis | RB | 7 | 1 (2016) | TOR |
| Steele, Eddie | DL | 33 | 2 (2017–2018) | EDM, HAM |
| Steele, John | DB | 25 | 2 (1971–1972) | WPG |
| Stein, Arthur | G, T | 1 | 1 (1940) | |
| Stein, Frank | G, T | 22 | 5 (1936–1940) | |
| Steinhauer, Levi | DE, DL, FB, LS | 30 | 4 (2013–2016) | EDM |
| Stephenson, Daryl | RB | 8 | 1 (2013) | HAM, WPG |
| Stevens, Cory | P | 2 | 1 (1999) | |
| Stevenson, Vic | G, OL, T | 172 | 11 (1983–1992, 1998) | BC, EDM, MTL, TOR |
| Stewart, Andrew | DT | 15 | 1 (1998) | BC, OTT, TOR, WPG |
| Stewart, Art | FB | 5 | 1 (1952) | |
| Stewart, Don | E | 14 | 1 (1959) | |
| Stewart, Gord | DT | 24 | 2 (1971–1972) | CGY, HAM, WPG |
| Stewart, Kye | LB | 34 | 3 (2009–2011) | EDM |
| Stewart, Rob | DT | 7 | 1 (2003) | |
| St. Germain, Val | OL | 4 | 1 (2007) | EDM, HAM, OTT, WPG |
| Stilwell, Harpo | C | 16 | 2 (1940, 1946) | |
| St. James, Tyson | LB | 54 | 3 (2000–2002) | WPG |
| St. John, Josiah | OL | 31 | 4 (2016–2018, 2021) | EDM |
| Stone, Daren | LB | 2 | 1 (2012) | CGY |
| Storme, Todd | T | 16 | 1 (1996) | BC, CGY, EDM, OTT |
| Stowe, Ed | C, LB | 5 | 1 (1958) | SAR |
| St. Pierre, Jonathan | OL | 0 | 1 (2009) | TOR |
| Stracina, Joe Jr. | FB | 7 | 1 (1952) | MTL, OTT |
| Strickland, Mike | RB | 32 | 2 (1978–1979) | BC |
| Striker, Eric | LB | 1 | 1 (2018) | TOR |
| Strong, Doug | DB | 3 | 1 (1974) | WPG |
| Sturtridge, Gordon | E | 62 | 4 (1953–1956) | |
| Suber, Alex | CB | 3 | 1 (2015) | TOR, WPG |
| Suitor, Glen | DB | 194 | 11 (1984–1994) | |
| Sumner, Terry | HB | 2 | 1 (1953) | CGY, KW |
| Sunseri, Tino | QB | 44 | 3 (2013–2015) | |
| Surtees, Dave | U | 0 | 1 (1945) | |
| Sutherland, Mike | OL | 1 | 1 (1996) | MTL, OTT, WPG |
| Sutton, Eric | DB | 27 | 3 (1997–1999) | CGY |
| Svitak, Steve | DT | 12 | 1 (1972) | BC, EDM |
| Swafford, Don | T, TE | 47 | 4 (1980–1983) | BC |
| Swain, Brett | SB | 17 | 1 (2014) | |
| Sykes, Joe | DE | 5 | 1 (2009) | EDM |
| Syme, Dave | QB | 16 | 1 (1976) | EDM |
| Syrnyk, Ray | G | 21 | 3 (1954–1956) | |
| Szarka, Chris | FB | 223 | 14 (1997–2010) | |
| “S” player count: 138 | ||||