The 2003–04 San Jose Sharks season was the franchise's 13th in the NHL. The Sharks made it to the Western Conference Finals for the first time before losing to the Calgary Flames. It was the last season before the 2004–05 lockout, which cancelled the following season.

Off-season

On May 13, 2003, the Sharks hired Doug Wilson (no relation to coach Ron Wilson) as general manager, replacing Dean Lombardi. At the entry draft in June, the Sharks chose Milan Michalek with their first-round pick, sixth overall.

Regular season

The Sharks rotated team captaincy every ten games for the first half of the season before permanently handing the role to forward Patrick Marleau.

Final standings

Playoffs

Schedule and results

Regular season

Playoffs

Player statistics

Scoring

Goaltending

Awards and records

Awards

Milestones

Transactions

The Sharks 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

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