2021 LIU Mens Hockey Schedule
| Oct 3 | 3:00 ET |  | @Penn State | L 1-3 |
| Oct 4 | 7:00 ET | | @Penn State | L 2-5 |
| Oct 9 | 6:00 ET |  | @Notre Dame | L 2-5 |
| Oct 22 | 7:45 ET | Assumption | W 7-0 | |
| Oct 23 | 2:00 ET | Post | W 6-1 | |
| Oct 29 | 7:07 CT |  | @Nebraska-Omaha | L 0-6 |
| Oct 30 | 7:07 CT | | @Nebraska-Omaha | L 1-7 |
| Nov 3 | 7:05 ET | @UMass Lowell | T 3-3 | |
| Nov 3 | 7:05 ET |  | @Mass.-Lowell | T 3-3 |
| Nov 6 | PPD | Saint Michael's | ||
| Nov 7 | PPD | Saint Michael's | ||
| Nov 12 | 3:00 ET |  | Princeton | L 1-2 |
| Nov 13 | 4:00 ET | | @Princeton | T 4-4 |
| Nov 19 | 7:00 ET |  | @Rensselaer | L 2-7 |
| Nov 20 | 8:00 ET | | Rensselaer | T 2-2 |
| Nov 23 | 7:00 ET | @Saint Anselm | W 4-0 | |
| Nov 26 | 7:05 ET |  | @Miami | W 7-4 |
| Nov 27 | 5:05 ET | | @Miami | L 1-4 |
| Dec 10 | 7:45 ET |  | Quinnipiac | L 1-4 |
| Dec 11 | 7:00 ET | | @Quinnipiac | L 0-5 |
| Dec 31 | 7:00 ET |  | @Ohio State | L 0-6 |
| Jan 1 | 7:00 ET | | @Ohio State | L 2-7 |
| Jan 7 | 7:30 ET |  | @Northeastern | L 0-1 |
| Jan 8 | 7:00 ET | | @Northeastern | L 0-6 |
| Jan 21 | 7:45 ET | Saint Anselm | W 8-1 | |
| Jan 22 | 2:00 ET | Saint Anselm | W 7-0 | |
| Jan 29 | 7:00 ET |  | @Brown | |
| Jan 30 | 4:00 ET | | @Brown | W 4-3 |
| Feb 1 |  | @Union | W 4-1 | |
| Feb 4 | 7:00 ET |  | @Massachusetts | L 3-6 |
| Feb 5 | 7:00 ET | | @Massachusetts | L 1-3 |
| Feb 11 | 12:00 ET | Saint Michael's | ||
| Feb 18 | 3:00 ET |  | Alaska | W 4-1 |
| Feb 19 | 2:00 ET | | Alaska | L 3-4 |
| Feb 25 | 7:15 ET | @UMass Lowell | ||
| Feb 25 | 7:15 ET | | @Mass.-Lowell | L 1-5 |
| Mar 4 | 7:07 AT | | @Alaska | W 3-2 |
| Mar 5 | 7:07 AT | | @Alaska | L 1-5 |
| Mar 11 | 7:05 MT | @Arizona State | L 1-2 | |
| Mar 12 | 4:05 MT | @Arizona State | L 1-5 |