The 2005 Seattle Seahawks season was the franchise's 30th season in the National Football League (NFL), their fourth playing their home games at Qwest Field and their seventh season under head coach Mike Holmgren. They won the National Football Conference (NFC) Championship Game and played in Super Bowl XL, which they lost 21–10 to the Pittsburgh Steelers. The Seahawks compiled a 13–3 record in the regular season, easily winning the NFC West and earning the NFC top seed, thus clinching home field advantage in the NFC playoffs for the first time in franchise history. There, they beat the Washington Redskins and Carolina Panthers to win the George Halas Trophy, and advance to their first ever Super Bowl. Combining the regular season and postseason, the Seahawks finished with a perfect 10–0 record at Qwest Field. The 2005 team was widely considered the best team in club history until the Super Bowl XLVIII championship. The 2005 season was also the team's 30th anniversary season in the NFL. The Seahawks were the only NFC team from the 2004 playoffs to qualify for the 2005 playoffs.
The 2006 Seattle Seahawks season was the franchise's 31st season in the National Football League (NFL), fifth season playing at Qwest Field, and eighth under head coach Mike Holmgren. The season began with the team attempting to improve on their 13–3 record from 2005, repeat as National Football Conference (NFC) champions, and return to the Super Bowl. The team, while winning their NFC West division, only advanced as far as the Divisional round of the NFL playoffs, losing to the eventual NFC champion Chicago Bears in overtime.
The 2007 Seattle Seahawks season was the franchise's 32nd season in the National Football League (NFL), sixth season in Qwest Field and the ninth under head coach Mike Holmgren. The team improved on their 9–7 record in 2006 and secured its fourth consecutive NFC West division title and its fifth consecutive playoff appearance. Also, the team set an NFL record for the fewest penalties since the NFL expanded to a 16-game season, with 59. In the playoffs, the Seahawks defeated the Washington Redskins in the wild card round, but fell to Holmgren’s former team, the Green Bay Packers, in the divisional round.
The 2004 Seattle Seahawks season was the franchise's 29th season in the National Football League (NFL), the third season in Qwest Field and the 6th under head coach Mike Holmgren. Finishing the season at 9–7, the Seahawks were unable to replicate the year they had prior.
The 2003 Seattle Seahawks season was the franchise's 28th season in the National Football League (NFL), the second season in Seahawks Stadium and the 5th under head coach Mike Holmgren. After going 31–33 in his first four years as head coach, the Seahawks went undefeated at home for the first time in franchise history and improved to 10–6, thus making the NFC playoffs as a wild card team, the first of fifteen playoff appearances over the next twenty seasons, and their first playoff berth since 1999. However, the team fell 33–27 to the Green Bay Packers in the opening round due to an interception returned for a touchdown by Green Bay's Al Harris in overtime. Following the season, Hall of Fame defensive tackle John Randle retired after 14 seasons.
The 2002 Seattle Seahawks season was the franchise's 27th season in the National Football League (NFL), the first season in Seahawks Stadium and the fourth under head coach Mike Holmgren. The Seahawks returned to the NFC West for the first time since their inaugural season of 1976, as part of the realignment that occurred when the Houston Texans joined the NFL as the 32nd team. The new stadium was constructed on the same site of their former stadium, the Kingdome.
The 2001 Seattle Seahawks season was the franchise's 26th season in the National Football League (NFL), The second of two seasons the Seahawks played at Husky Stadium while Qwest Field was being built and the third under head coach Mike Holmgren. They improved on their 6–10 record from 2000 and finished the season at 9–7. The Seahawks were in the playoff hunt until the last game of the season; the Baltimore Ravens' win over the Minnesota Vikings on the last Monday Night game of the year ended Seattle's post-season bid. The 2001 season was the final season for the Seahawks in the American Football Conference (AFC).
The 2000 Seattle Seahawks season was the franchise's 25th season in the National Football League (NFL), the first of two seasons the Seahawks played at Husky Stadium while Qwest Field was being built and the second under head coach Mike Holmgren. The 2000 Seahawks' pass defense surrendered 7.63 yards-per-attempt, one of the ten-worst totals in the history of the NFL. They failed to improve on their 9–7 record or defend their AFC West title from 1999.
The 1996 Seattle Seahawks season was the franchise's 21st season in the National Football League (NFL), the 21st playing their home games at the Kingdome and the second under head coach Dennis Erickson. They were unable to improve on their 8–8 record, finished the season 7–9, and missing the playoffs for the eighth consecutive season.
The 1994 Seattle Seahawks season was the team's 19th season with the National Football League (NFL). The 1994 season was head coach Tom Flores' last with the team. The team played their two preseason and first three regular season home games at Husky Stadium due to the collapse of four ceiling tiles at the Kingdome on July 19.
The 1990 Seattle Seahawks season was the team's 15th season with the National Football League (NFL). The team improved on its 7–9 record from 1989, finishing 9–7. Despite the winning record, the team missed the postseason.
The 1987 Seattle Seahawks season was the team's 12th season with the National Football League (NFL). After two seasons of missing the postseason, the Seahawks returned to the playoffs.
The 1985 Seattle Seahawks season was the team's tenth season with the National Football League (NFL). The team finished with an 8-8 record and a 3rd place finish in the AFC West and missed the playoffs.
The 1978 Seattle Seahawks season was the team's third season in the National Football League (NFL). The Seahawks won nine games, giving the franchise its first winning season. Coach Jack Patera won the National Football League Coach of the Year Award at seasons end.
The 1977 Seattle Seahawks season was the team's second campaign in the National Football League (NFL). The 1977 season was the team's first in the AFC West. The Seahawks lost five of their first six games. On October 30, the Seahawks earned their second win of the season when quarterback Jim Zorn returned from an injury and threw four touchdown passes in a 56–17 win over the Buffalo Bills at the Kingdome. Two weeks later, the team recorded its first shutout, beating the New York Jets 17–0 in New York. The Seahawks would go on to finish with a 5–9 record, winning their final two games in the process; it was a three-game improvement from the inaugural season.
The 2008 Seattle Seahawks season was the franchise's 33rd season in the National Football League (NFL), the seventh season in Qwest Field, and the tenth and final under head coach Mike Holmgren. The Seahawks' streak of four consecutive NFC West divisional championships was broken, as they fell to a 4–12 record and missed the playoffs for the first time since 2002.
The 2009 Seattle Seahawks season was the franchise's 34th season in the National Football League (NFL), the 8th playing their home games at Qwest Field and the first and only season under head coach Jim Mora. The Seahawks slightly improved from their 4–12 record and a third-place finish in what was Mike Holmgren's final season coaching the team in 2008 and finished with a 5–11 record. However, Mora was fired January 8, 2010.
The 2012 season was the Seattle Seahawks' 37th in the National Football League (NFL) and their third under head coach Pete Carroll. The Seahawks had a three-way quarterback competition with Tarvaris Jackson, Matt Flynn and rookie Russell Wilson. Jackson was traded to the Bills, and Wilson won the job.
The 2013 season was the Seattle Seahawks' 38th in the National Football League (NFL) and their fourth under head coach Pete Carroll. With the Seahawks tenth win in the eleventh week of the season, the team secured double-digit victories in consecutive seasons for the first time in franchise history. Their 13–3 regular season record is tied with the 2005 season for the best in franchise history. Seattle's defense in 2013 is regarded by many to be one of the best in NFL history.
The 2014 season was the Seattle Seahawks' 39th in the National Football League (NFL) and their fifth under head coach Pete Carroll. The Seahawks started the season as the defending Super Bowl champions for the first time in franchise history.