1988 Seattle Seahawks season
The 1988 Seattle Seahawks season was the team's 13th season with the National Football League. The Seahawks won their first division title in the AFC West. They won the division with only a 9–7 record and finished with only a +10-point differential.
The team never went under.500 during the season and clinched the AFC West in week 16 with a 43–37 shootout win over the [1988 1988 Los Angeles Raiders season|Los Angeles Raiders season|Los Angeles Raiders]. The Seahawks were the #3 seed in the AFC playoffs; they lost 21–13 on the road in the Divisional round to the top-seeded [1988 1988 Cincinnati Bengals season|Cincinnati Bengals season|Cincinnati Bengals] on December 31.
In late August, Ken Behring and partner Ken Hofmann purchased the team from the Nordstrom family for $80 million.
Offseason
Undrafted free agents
| Player | Position | College |
| Ryan Knight | Running back | USC |
| Kevin McLean | Quarterback | USC |
| Pat Pearson | Guard | Southern Miss |
| Garey Waiters | Punter | Jacksonville State |
| Arthur White | Linebacker | Florida |
| Donald Wilson | Safety | Penn |
Personnel
Final roster
- Starters in bold.
- Denotes players that were selected for the 1989 Pro Bowl.
Schedule
Regular season
Divisional matchups have the AFC West playing the NFC West.| Week | Date | Opponent | Result | Record | Game site | Recap |
| 1 | September 4 | at [1988 1988 Denver Broncos season|Denver Broncos season|Denver Broncos] | W 21–14 | 1–0 | Mile High Stadium | |
| 2 | September 11 | [1988 1988 Kansas City Chiefs season|Kansas City Chiefs season|Kansas City Chiefs] | W 31–10 | 2–0 | Kingdome | |
| 3 | September 18 | at [1988 1988 San Diego Chargers season|San Diego Chargers season|San Diego Chargers] | L 6–17 | 2–1 | Jack Murphy Stadium | |
| 4 | September 25 | [1988 1988 San Francisco 49ers season|San Francisco 49ers season|San Francisco 49ers] | L 7–38 | 2–2 | Kingdome | |
| 5 | October 2 | at [1988 1988 Atlanta Falcons season|Atlanta Falcons season|Atlanta Falcons] | W 31–20 | 3–2 | Atlanta–Fulton County Stadium | |
| 6 | October 9 | at [1988 1988 Cleveland Browns season|Cleveland Browns season|Cleveland Browns] | W 16–10 | 4–2 | Cleveland Stadium | |
| 7 | October 16 | New Orleans Saints | L 19–20 | 4–3 | Kingdome | |
| 8 | October 23 | at [1988 1988 Los Angeles Rams season|Los Angeles Rams season|Los Angeles Rams] | L 10–31 | 4–4 | Anaheim Stadium | |
| 9 | October 30 | San Diego Chargers | W 17–14 | 5–4 | Kingdome | |
| 10 | November 6 | Buffalo Bills | L 3–13 | 5–5 | Kingdome | |
| 11 | November 13 | Houston Oilers | W 27–24 | 6–5 | Kingdome | |
| 12 | November 20 | at Kansas City Chiefs | L 24–27 | 6–6 | Arrowhead Stadium | |
| 13 | Los Angeles Raiders | W 35–27 | 7–6 | Kingdome | ||
| 14 | December 4 | at [1988 1988 New England Patriots season|New England Patriots season|New England Patriots] | L 7–13 | 7–7 | Sullivan Stadium | |
| 15 | December 11 | Denver Broncos | W 42–14 | 8–7 | Kingdome | |
| 16 | December 18 | at Los Angeles Raiders | W 43–37 | 9–7 | Los Angeles Memorial Coliseum |