2004–05 Colorado Avalanche season

The 2004–05 Colorado Avalanche season was cancelled due to the lock-out of the players of the National Hockey League. It would have been the 10th playing season since the franchise relocated from Quebec prior to the start of the 1995–96 NHL season. As well as the franchise's 26th season in the National Hockey League and 33rd season overall. The Avalanche would commemorate their 10th anniversary in the 2005-06 season.

Off-season
Joel Quenneville was named the team’s new head coach on July 7, 2004. His predecessor, Tony Granato, remained with the club as an assistant coach.

Schedule
Colorado’s preseason and regular season schedules were announced on July 14, 2004.

Transactions
The Avalanche were involved in the following transactions from June 8, 2004, the day after the deciding game of the 2004 Stanley Cup Finals, through February 16, 2005, the day the season was officially cancelled.

Trades
The Avalanche did not make any trades.

Draft picks
Colorado's picks at the 2004 NHL Entry Draft, which was held at the RBC Center in Raleigh, North Carolina on June 26–27, 2004.