The 2003–04 Washington Capitals season was the Capitals's 30th season of play. The team finished in fifth and last-place in the Southeast Division, and fourteenth overall in the Eastern Conference, to miss the playoffs.

Offseason

Regular season

On December 10, 2003, head coach Bruce Cassidy was fired after a disappointing 8–18–1–1 start to the season. Assistant coach Glen Hanlon was named his replacement. The Capitals were the most penalized team in the League, with 401 power-play opportunities against. They also scored the fewest short-handed goals in the League, with just 4.

Final standings

Schedule and results

Player statistics

Scoring

Goaltending

Awards and records

Awards

Milestones

Transactions

The Capitals were involved in the following transactions from June 10, 2003, the day after the deciding game of the 2003 Stanley Cup Finals, through June 7, 2004, the day of the deciding game of the 2004 Stanley Cup Finals.

Trades

Players acquired

Players lost

Signings

Draft picks

Washington's draft picks at the 2003 NHL entry draft held at the Gaylord Entertainment Center in Nashville, Tennessee.

Farm teams

The Capitals main American Hockey League affiliate was the Portland Pirates. Though they had no direct ECHL affiliate, players were sent from time to time between the Dayton Bombers and Reading Royals.