The 2003 Buffalo Bills season was their 44th in the league. The team failed to improve upon their previous season's output of 8–8, and finished at 6–10. The team missed the playoffs for the fourth consecutive season.

Lawyer Marzell Milloy is an American former professional football player who was a safety in the National Football League (NFL) for 15 seasons. He played college football for the Washington Huskies, and earned unanimous All-American honors. He was selected by the New England Patriots in the second round of the 1996 NFL draft, and also played for the Buffalo Bills, Atlanta Falcons, and Seattle Seahawks of the NFL. He was a four-time Pro Bowl selection, a two-time All-Pro, and a member of the Patriots' Super Bowl XXXVI championship team that beat his hometown team, the St. Louis Rams.