2021 Merrimack Mens Hockey Schedule
| Oct 7 | 7:00 ET |  | @Providence | L 2-5 |
| Oct 9 | 7:00 ET |  | Sacred Heart | W 4-2 |
| Oct 15 | 7:00 ET |  | @Colgate | L 1-2 |
| Oct 16 | 4:00 ET | | @Colgate | W 5-3 |
| Oct 22 | 7:00 ET |  | Boston University | W 3-2 |
| Oct 23 | 7:00 ET | | @Boston University | L 6-8 |
| Oct 29 | 7:00 ET |  | Massachusetts | L 1-2 |
| Oct 30 | 7:00 ET | | @Massachusetts | L 4-5 |
| Nov 5 | 7:00 ET |  | Boston College | L 1-4 |
| Nov 6 | 4:00 ET | | @Boston College | W 4-3 |
| Nov 12 | 7:30 ET |  | @Maine | L 5-6 |
| Nov 13 | 5:00 ET | | @Maine | W 2-0 |
| Nov 23 | 7:00 ET |  | Holy Cross | W 3-2 |
| Nov 27 | 4:00 ET |  | Union | L 2-3 |
| Dec 3 | PPD |  | Connecticut | |
| Dec 4 | PPD | | @Connecticut | |
| Dec 9 | 7:00 ET | | Massachusetts | L 2-3 |
| Dec 12 | 3:00 ET | US Under-18 Team | W 8-2 | |
| Dec 17 | 7:00 ET |  | Dartmouth | T 2-2 |
| Jan 1 | CANC |  | @Yale | |
| Jan 2 | 4:00 ET |  | @Brown | W 7-1 |
| Jan 3 | 6:00 ET | | @Massachusetts | L 3-4 |
| Jan 7 | CANC |  | Clarkson | |
| Jan 8 | CANC |  | St. Lawrence | |
| Jan 8 | 7:00 ET |  | Bentley | W 4-1 |
| Jan 14 | 7:00 ET | | Providence | W 3-2 |
| Jan 15 | 5:30 ET | | @Providence | W 2-1 |
| Jan 21 | 7:00 ET | UMass Lowell | ||
| Jan 21 | 7:00 ET |  | Mass.-Lowell | W 3-1 |
| Jan 22 | 6:05 ET | @UMass Lowell | ||
| Jan 22 | 6:05 ET | | @Mass.-Lowell | W 3-2 |
| Jan 25 | 7:05 ET | | @Connecticut | L 2-3 |
| Feb 4 | 7:00 ET |  | New Hampshire | W 5-2 |
| Feb 5 | 7:00 ET | | Maine | W 5-0 |
| Feb 8 | 7:05 ET | | Connecticut | L 2-6 |
| Feb 13 | 1:05 ET |  | @Vermont | W 4-1 |
| Feb 18 | 7:00 ET | | Vermont | W 3-2 |
| Feb 19 | 7:00 ET | | Vermont | W 3-2 |
| Feb 26 | 7:00 ET | | @New Hampshire | W 4-3 |
| Mar 4 | 7:00 ET |  | @Northeastern | L 1-6 |
| Mar 5 | 7:00 ET | | Northeastern | L 0-1 |
| Mar 9 | 7:00 ET | | Maine | W 6-2 |
| Mar 12 | 4:30 ET | | @Mass.-Lowell | L 2-7 |