| 2003 NCAA Division I Men's Ice Hockey Championships | 
  
    | First round March 28-29
 | Second round March 29-30
 | Semifinals April 10
 | Final April 12
 | Champion | 
  
    | 
      | E1 Cornell 5 |  | E4 MSU-Mankato 2 |  | 
      | E1 Cornell 2 (2OT) |  | E2 Boston Coll. 1 |  |  |  |  | 
  
    | 
      | E3 Ohio State 0 |  | E2 Boston Coll. 1 |  | 
  
    | 
      | NE2 Boston U. 6 |  | NE3 Harvard 4 |  | 
      | NE2 Boston U. 0 |  | NE1 UNH 3 |  | 
  
    | 
      | NE4 St. Cloud 2 |  | NE1 UNH 5 |  | 
  
    | 
      | W1 Minnesota 9 |  | W4 Mercyhurst 2 |  | 
      | W1 Minnesota 7 |  | W2 Ferris State 4 |  | 
      
      | W1 Minn. 3 OT |  | MW3 Michigan 2 |  | 
  
    | 
      | W3 North Dakota 2 |  | W2 Ferris State 5 |  | 
  
    | 
      | MW2 Maine 1 |  | MW3 Michigan 2 |  | 
      | MW3 Michigan 5 |  | MW1 Colo. Coll. 3 |  | 
  
    | 
      | MW4 Wayne St. 2 |  | MW1 Colo. Coll. 4 |  |