Franchise 51 seasons 420–381–1 all-time 21 playoff trips 2 Super Bowls
2003 players
Passing
| Matt Hasselbeck | 513 | 313 | 3,844 | 26 | 15 | 7.5 |
| Trent Dilfer | 8 | 4 | 31 | 1 | 1 | 3.9 |
Rushing
| Shaun Alexander | 326 | 1,435 | 14 | 4.4 |
| Maurice Morris | 38 | 239 | 0 | 6.3 |
| Mack Strong | 37 | 174 | 1 | 4.7 |
| Matt Hasselbeck | 36 | 125 | 2 | 3.5 |
| Heath Evans | 7 | 24 | 0 | 3.4 |
| Koren Robinson | 4 | 15 | 0 | 3.8 |
| Trent Dilfer | 2 | -1 | 0 | -0.5 |
| Kerry Carter | 3 | -2 | 0 | -0.7 |
Receiving
| Darrell Jackson | 68 | 1,137 | 9 | 16.7 |
| Koren Robinson | 65 | 896 | 4 | 13.8 |
| Bobby Engram | 52 | 640 | 6 | 12.3 |
| Itula Mili | 46 | 492 | 4 | 10.7 |
| Shaun Alexander | 42 | 295 | 2 | 7.0 |
| Mack Strong | 29 | 216 | 0 | 7.4 |
| Jerramy Stevens | 6 | 72 | 0 | 12.0 |
| Alex Bannister | 3 | 58 | 1 | 19.3 |
| Heath Evans | 2 | 34 | 0 | 17.0 |
| Maurice Morris | 4 | 32 | 1 | 8.0 |
Defense
| Ken Hamlin | DB | 87 | 67 | 0.0 | 1 | 8 | 2 |
| Anthony Simmons | OLB | 80 | 60 | 3.0 | 3 | 8 | 1 |
| Marcus Trufant | CB | 68 | 59 | 0.0 | 2 | 20 | 0 |
| Chad Brown | LB | 60 | 48 | 8.0 | 1 | 3 | 1 |
| Reggie Tongue | DB | 58 | 44 | 2.0 | 4 | 8 | 2 |
| D.D. Lewis | LB | 56 | 37 | 0.0 | 0 | 2 | 0 |
| Ken Lucas | CB | 56 | 46 | 1.0 | 1 | 12 | 1 |
| Cedric Woodard | DE | 46 | 30 | 0.0 | 0 | 0 | 0 |
| Randall Godfrey | OLB | 45 | 31 | 0.0 | 1 | 4 | 1 |
| Chike Okeafor | OLB | 41 | 27 | 8.0 | 1 | 2 | 2 |
| Shawn Springs | CB | 37 | 31 | 1.5 | 1 | 11 | 0 |
| Damien Robinson | FS | 29 | 25 | 0.0 | 1 | 4 | 0 |
| Isaiah Kacyvenski | LB | 21 | 16 | 0.0 | 0 | 0 | 0 |
| Antonio Cochran | DE | 21 | 15 | 1.0 | 0 | 0 | 0 |
| Brandon Mitchell | DE | 20 | 16 | 3.0 | 0 | 2 | 1 |
| Rashad Moore | DT | 19 | 9 | 1.0 | 0 | 0 | 0 |
| Orlando Huff | OLB | 18 | 14 | 1.0 | 0 | 0 | 0 |
| Alex Bannister | WR | 18 | 17 | 0.0 | 0 | 0 | 0 |
| Willie Williams | CB | 17 | 13 | 0.0 | 0 | 2 | 0 |
| John Randle | DT | 16 | 11 | 5.5 | 0 | 0 | 0 |
| Lamar King | DE | 15 | 11 | 3.0 | 0 | 1 | 0 |
| Kris Richard | DB | 15 | 13 | 1.0 | 0 | 0 | 0 |
| Rocky Bernard | DT | 12 | 7 | 2.0 | 0 | 1 | 0 |
| Norman Hand | DT | 9 | 3 | 1.0 | 0 | 1 | 0 |
| Tracy White | OLB | 9 | 8 | 0.0 | 0 | 0 | 0 |
| Mack Strong | FB | 7 | 7 | 0.0 | 0 | 0 | 0 |
| Kerry Carter | RB | 5 | 5 | 0.0 | 0 | 0 | 0 |
| J.P. Darche | LS | 4 | 4 | 0.0 | 0 | 0 | 1 |
| Josh Brown | K | 4 | 3 | 0.0 | 0 | 0 | 0 |
| Koren Robinson | WR | 4 | 4 | 0.0 | 0 | 0 | 0 |
| Bobby Engram | WR | 3 | 3 | 0.0 | 0 | 0 | 0 |
| Matt Hasselbeck | QB | 3 | 3 | 0.0 | 0 | 0 | 0 |
| Solomon Bates | LB | 3 | 3 | 0.0 | 0 | 0 | 0 |
| Robbie Tobeck | C | 3 | 3 | 0.0 | 0 | 0 | 0 |
| Maurice Morris | RB | 3 | 2 | 0.0 | 0 | 0 | 0 |
| Anton Palepoi | DE | 3 | 1 | 0.0 | 0 | 0 | 0 |
| Jerramy Stevens | TE | 2 | 2 | 0.0 | 0 | 0 | 0 |
| Trent Dilfer | QB | 1 | 1 | 0.0 | 0 | 0 | 0 |
| Darrell Jackson | WR | 1 | 1 | 0.0 | 0 | 0 | 0 |
| Heath Evans | FB | 1 | 1 | 0.0 | 0 | 0 | 0 |