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 |
|---|---|---|---|---|
| Jack, Brian | DB | 0 | 1 (1971) | MTL, WPG |
| Jack, Keith | WR | 1 | 1 (1994) | |
| Jack, Ralph | E, HB, T | 22 | 4 (1931–1934) | |
| Jackson, Billy | LB | 7 | 1 (1989) | CGY, SSK |
| Jackson, Jeff | LB | 10 | 2 (1991–1992) | BC |
| Jackson, Moody | WR | 30 | 2 (1975–1976) | CGY, SSK |
| Jackson, Russ | QB | 166 | 12 (1958–1969) | |
| James, Larry | WR | 1 | 1 (1982) | CGY |
| James, Percy | G, T | 12 | 2 (1931–1932) | OTT |
| Jamieson, Jake | QB | 4 | 1 (1932) | OTT |
| January, Tony | RB | 2 | 1 (1985) | MTL |
| Jarvis, Ralph | DE | 4 | 1 (1988) | CGY |
| Jelacic, Jon | E, T | 23 | 2 (1959–1960) | |
| Jemison, Thad | WR | 1 | 1 (1985) | TOR |
| Jenkins, Alfred | QB | 1 | 1 (1988) | |
| Jenkins, DeShon | DB | 2 | 1 (1988) | |
| Jerome, Jim | G | 13 | 1 (1954) | |
| Jesse, Doug | C, FW | 1 | 1 (1946) | |
| Johnson, Bill | C | 28 | 2 (1963–1964) | CGY |
| Johnson, Charles | DB | 31 | 3 (1982–1984) | |
| Johnson, Kelley | WR | 4 | 1 (1986) | |
| Johnson, Leonard | DT | 7 | 1 (1994) | EDM, LV, TOR, WPG |
| Johnson, Lorne | HB, QB | 13 | 3 (1931, 1933–1934) | |
| Johnson, Bob | C | 1 | 1 (1961) | |
| Johnston, Dan | SB | 33 | 3 (1989–1991) | |
| Jones, Don | DB | 6 | 1 (1983) | |
| Jones, Jimmy | QB | 16 | 1 (1979) | HAM, MTL |
| Jones, Phil | DB | 7 | 1 (1986) | EDM, MTL, TOR |
| Jones, Stephan | WR | 74 | 5 (1990–1994) | EDM, SSK |
| Jones, Terrence | QB | 41 | 3 (1991–1993) | CGY, SHR |
| Jones, Tom | T | 64 | 6 (1956–1961) | TOR |
| Jones-Duncan, Terry | LB | 5 | 1 (1989) | |
| Joseph, Darren | FB, RB | 44 | 3 (1992–1994) | BC, MTL, OTT, SSK, TOR |
| Joseph, Johnson | WR | 5 | 1 (1996) | |
| Joslin, Bob | U | 1 | 1 (1954) | |
| Jovanovich, Mike | T | 22 | 2 (1995–1996) | HAM, MTL, TOR |
| Joyce, Pete | HB | 3 | 1 (1959) | |
| Joyner, Ed | DE, G, LB | 20 | 3 (1968–1970) | |
| Judd, Bobby | HB, P | 28 | 2 (1957–1958) | |
| “J” player count: 39 | ||||