The 1986 Seattle Seahawks season was the team's eleventh in the National Football League (NFL). Despite posting a 10–6 record and having a dominant five-game win streak to close out the season, the Seahawks narrowly missed the playoffs, losing the tiebreakers with both AFC wild card teams. Prior to this season, the team moved its Kirkland headquarters a mile east, from the former shipyard on the shore of Lake Washington to a new facility at Northwest College. Summer training camp was held at the new site rather than at Eastern Washington University in Cheney, southwest of Spokane.

1986 NFL Draft

Personnel

Staff

Final roster

Schedule

Preseason

Regular season

Divisional matchups have the AFC West playing the NFC East.

Standings

Game summaries

Even though the Seahawks did not qualify for the playoffs, a memorable moment during the season was Steve Largent breaking Harold Carmichael's NFL record for consecutive games (128) with at least one reception. It came on October 6 in a 33–7 home victory over the San Diego Chargers on Monday Night Football as Seattle improved its record to 4–1.

Preseason

Week P1: vs. Indianapolis Colts

Week P2: at Detroit Lions

Week P3: vs. Minnesota Vikings

Week P4: at San Francisco 49ers

Regular season

Week 1: vs. Pittsburgh Steelers

Week 2: vs. Kansas City Chiefs

Week 3: at New England Patriots

Week 4: at Washington Redskins

Week 5: vs. San Diego Chargers

Week 6: at Los Angeles Raiders

Week 7: vs. New York Giants

Week 8: at Denver Broncos

Week 9: vs. New York Jets

Week 10: at Kansas City Chiefs

Week 11: at Cincinnati Bengals

Week 12: vs. Philadelphia Eagles

Week 13: at Dallas Cowboys

Week 14: vs. Los Angeles Raiders

Week 15: at San Diego Chargers

Week 16: vs. Denver Broncos