The Canadian Football League (CFL) was officially formed in 1958. Statistics for the IRFU/Eastern Division date back to 1954 whereas WIFU/Western Division statistics date back to 1950.
| Symbol | Meaning | 
|---|---|
| Player | The player who recorded the most passing yards in the league | 
| Yds | The total number of passing yards the player had | 
| † | Former league record | 
| * | Current record | 
| (#) | Denotes the number of times a player appears in this list | 
| Symbol | Meaning | 
|---|---|
| Player | The player who recorded the most passing touchdowns in the league | 
| TDs | The total number of passing touchdowns the player had | 
| † | Former league record | 
| * | Current record | 
| (#) | Denotes the number of times a player appears in this list | 
| Symbol | Meaning | 
|---|---|
| Player | The player who recorded the most passing completions in the league | 
| Comp | The total number of passing completions the player had | 
| † | Former league record | 
| * | Current record | 
| (#) | Denotes the number of times a player appears in this list |