| 2004 Detroit Lions season | |
|---|---|
| Owner | William Clay Ford Sr. |
| General manager | Matt Millen |
| Head coach | Steve Mariucci |
| Home field | Ford Field |
| Results | |
| Record | 6–10 |
| Division place | 3rd NFC North |
| Playoff finish | Did not qualify |
| Pro Bowlers | DT Shaun Rogers CB Dre' Bly KR Eddie Drummond |
| Uniform | |
 | |
The 2004 season was the Detroit Lions' 75th season in the National Football League (NFL), their 71st as the Detroit Lions, their third playing home games at Ford Field, and their second under head coach Steve Mariucci. The Lions improved on their 5–11 record from the previous season after a Week 16 matchup versus the Chicago Bears, but they missed the playoffs for the fourth straight season.
A promising 4–2 start was followed by a five-game losing streak and a 2–8 record to finish 6–10. The team finished bottom-tier in offense and mid-tier in defense. Three Lions were named to the Pro Bowl: Cornerback Dré Bly, return specialist Eddie Drummond, and defensive tackle Shaun Rogers. In their opening game, the Lions won on the road, snapping an NFL-record 24 game losing streak on the road. The Lions would hold this record until they lost 26 straight between 2007–10.
The passing game was led by third-year quarterback Joey Harrington who, after throwing a league-high 22 interceptions in the previous season, threw 12 more with his 3,047 passing yards being a career high. In the first game of the season, 2003 second-overall pick Charles Rogers would break his collarbone, sidelining him for the entirety of the season. Rookie running back Kevin Jones rushed for 1,133 yards, becoming just the third Lion to rush for over 1,000 yards in their rookie season.