2004–05 NCAA Division I men's ice hockey season

The 2004–05 NCAA Division I men's ice hockey season began on October 3, 2004 and concluded with the 2005 NCAA Division I Men's Ice Hockey Tournament's championship game on April 9, 2005 at the Value City Arena in Columbus, Ohio. This was the 58th season in which an NCAA ice hockey championship was held and is the 111th year overall where an NCAA school fielded a team.

Pre-season polls
The top teams in the nation as ranked before the start of the season.

The U.S. College Hockey Online/College Sports Television poll was voted on by coaches, media, and NHL scouts. The USA Today/USA Hockey Magazine poll was voted on by coaches and media.

USA Hockey changed the name of its magazine from American Hockey Magazine to USA Hockey Magazine in August 2004.

U.S. College Hockey Online partnered with cable sports network College Sports Television to release its weekly poll.

Final regular season polls
The top 15 teams ranked before the NCAA tournament.

2005 NCAA Tournament
Note: * denotes overtime period(s)

Scoring leaders
The following players led the league in points at the conclusion of the season.

GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes

Leading goaltenders
The following goaltenders led the league in goals against average at the end of the regular season while playing at least 33% of their team's total minutes.

GP = Games played; Min = Minutes played; W = Wins; L = Losses; OT = Overtime/shootout losses; GA = Goals against; SO = Shutouts; SV% = Save percentage; GAA = Goals against average

2005 NHL Entry Draft
† incoming freshman ‡ Aquino had left school the year before