2002–03 NCAA Division I men's ice hockey season

The 2002–03 NCAA Division I men's ice hockey season began on October 4, 2002 and concluded with the 2003 NCAA Division I Men's Ice Hockey Tournament's championship game on April 12, 2003 at the HSBC Arena in Buffalo, New York. This was the 56th season in which an NCAA ice hockey championship was held and is the 108th year overall where an NCAA school fielded a team. The 2002-03 season was the final year for the MAAC hockey conference when Iona and Fairfield ended their programs at the conclusion of the season.

The NCAA Division I Men's Ice Hockey Tournament expanded to 16 teams for the first time in 2003. As a result two regional sites were added for the new Northeast and Midwest brackets.

Pre-season polls
The top 15 from USCHO.com/CBS College Sports and the top 15 from USA Today/USA Hockey Magazine.

Regular season
===Standings ===

2003 NCAA Tournament
Note: * denotes overtime period(s)

Player stats
===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