|1998 Kansas City Chiefs season|
|Head Coach||Marty Schottenheimer|
|Home Field||Arrowhead Stadium|
|Place||4th AFC West|
|Playoff Finish||did not qualify|
|Previous season||Next season|
The 1998 Kansas City Chiefs season began with high hopes of the team avenging its loss in the 1998 playoffs to the eventual Super Bowl champion Denver Broncos, but instead the Chiefs failed to succeed in the highly competitive AFC West. The team finished with a 7–9 record and 4th place in the AFC West. Head coach Marty Schottenheimer announced his resignation following the season after ten seasons with the team and defensive coordinator Gunther Cunningham assumed coaching duties for 1999.
On April 9, Marcus Allen announced his retirement.
|1998 Kansas City Chiefs staff|
Special teams coaches
Strength and conditioning
The Chiefs began the season well on September 6 with an impressive performance and easily defeat the Oakland Raiders at Arrowhead 28–8. Kansas City sacked the Raiders quarterbacks 10 times, with Derrick Thomas collecting 6 by himself.
On September 13, Kansas City falls to the Jacksonville Jaguars on the road, 21–16.
On October 4, Kansas City conquers the Seattle Seahawks and the rain at Arrowhead, 17–6. Rich Gannon hit Andre Rison for an 80-yard touchdown pass after a 54-minute rain delay caused by a violent storm. The two teams combined for nine turnovers, five by Kansas City. The win improves the Chiefs' record to 4–1.
That would be the high point of the season as the chiefs would lose 8 of the last 11 games and finished with their first losing season since 1988.
|1||September 6, 1998||Oakland Raiders||W 28–8|
|2||September 13, 1998||at Jacksonville Jaguars||L 21–16|
|3||September 20, 1998||San Diego Chargers||W 23–7|
|4||September 27, 1998||at Philadelphia Eagles||W 24–21|
|5||October 4, 1998||Seattle Seahawks||W 17–6|
|6||October 11, 1998||at New England Patriots||L 40–10|
|8||October 26, 1998||Pittsburgh Steelers||L 20–13|
|9||November 1, 1998||New York Jets||L 20–17|
|10||November 8, 1998||at Seattle Seahawks||L 24–12|
|11||November 16, 1998||Denver Broncos||L 30–7|
|12||November 22, 1998||at San Diego Chargers||L 38–37|
|13||November 29, 1998||Arizona Cardinals||W 34–24|
|14||December 6, 1998||at Denver Broncos||L 35–31|
|15||December 13, 1998||Dallas Cowboys||W 20–17|
|16||December 20, 1998||at New York Giants||L 28–7|
|17||December 26, 1998||at Oakland Raiders||W 31–24|
|Kansas City Chiefs||7||9||0||.438||327||363|
|San Diego Chargers||5||11||0||.313||241||342|
Awards and records