The 2005–06 Colorado Avalanche season was the 11th operational season and 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 27th season in the National Hockey League and 34th season overall.

Regular season

Final standings

Schedule and results

Regular season

Playoffs

Player statistics

Scoring

Goaltending

Awards and records

Awards

Milestones

Transactions

The Avalanche were involved in the following transactions from February 17, 2005, the day after the 2004–05 NHL season was officially cancelled, through June 19, 2006, the day of the deciding game of the 2006 Stanley Cup Finals.

Trades

Players acquired

Players lost

Signings

Draft picks

Colorado's draft picks at the 2005 NHL entry draft held at the Westin Hotel in Ottawa, Ontario.