| 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 |
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| E1 Cornell 2 (2OT) |
| E2 Boston Coll. 1 |
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| E3 Ohio State 0 |
| E2 Boston Coll. 1 |
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| NE2 Boston U. 6 |
| NE3 Harvard 4 |
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| NE2 Boston U. 0 |
| NE1 UNH 3 |
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| NE4 St. Cloud 2 |
| NE1 UNH 5 |
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| W1 Minnesota 9 |
| W4 Mercyhurst 2 |
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| W1 Minnesota 7 |
| W2 Ferris State 4 |
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| W1 Minn. 3 OT |
| MW3 Michigan 2 |
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| W3 North Dakota 2 |
| W2 Ferris State 5 |
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| MW2 Maine 1 |
| MW3 Michigan 2 |
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| MW3 Michigan 5 |
| MW1 Colo. Coll. 3 |
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| MW4 Wayne St. 2 |
| MW1 Colo. Coll. 4 |
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