2008–09 NCAA Division I men's ice hockey season

The 2008–09 NCAA Division I men's ice hockey season began on October 10, 2008 and concluded with the 2009 NCAA Division I men's ice hockey tournament's championship game on April 11, 2009 at the Verizon Center in Washington, D.C. Over the course of the season, five teams achieved the nation's #1 ranking, with Boston University finishing the season as the top-ranked team after winning the national championship tournament. This was the 62nd season in which an NCAA ice hockey championship was held and is the 115th 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/CBS College Sports Network poll was voted on by coaches, media, and NHL scouts. The USA Today/USA Hockey Magazine poll was voted on by coaches and media.

College Sports Television was acquired by CBS in 2008 and rebranded CBS College Sports Network. The network stopped sponsoring the USCHO poll after the end of the season.

Season format
Beginning in 2008–09, a shootout is used to determine CCHA conference games that end in a tie. Shootout losers receive one point and an addition to their total number of ties. Shootout winners receive one point and an addition to their total number of ties, and as a bonus, receive one bonus point and an addition to their total number of shootout wins.

2009 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

2009 NHL Entry Draft
† incoming freshman