2021 Princeton Mens Hockey Schedule
| Oct 16 | 7:00 ET |  | @Cornell | L 0-5 |
| Oct 30 | 4:05 ET |  | @Army | L 1-4 |
| Nov 5 | 7:00 ET |  | @Brown | W 6-3 |
| Nov 6 | 7:00 ET |  | @Yale | W 6-2 |
| Nov 12 | 3:00 ET | @LIU | W 2-1 | |
| Nov 13 | 4:00 ET | LIU | T 4-4 | |
| Nov 19 | 7:00 ET |  | St. Lawrence | L 4-6 |
| Nov 20 | 7:00 ET |  | Clarkson | L 3-8 |
| Nov 26 | 7:00 ET |  | RIT | L 4-5 |
| Nov 27 | 7:00 ET | | RIT | L 0-1 |
| Dec 3 | 7:00 ET |  | @Union | L 0-1 |
| Dec 4 | 7:00 ET |  | @Rensselaer | L 1-4 |
| Dec 10 | 7:00 ET |  | @Providence | L 0-7 |
| Dec 11 | 7:00 ET | | @Providence | L 2-3 |
| Jan 2 | 4:00 ET |  | @Quinnipiac | |
| Jan 3 | 7:00 ET | | Quinnipiac | |
| Jan 7 | PPD | | Yale | |
| Jan 8 | PPD | | Brown | |
| Jan 14 | 7:00 ET |  | Dartmouth | |
| Jan 15 | 7:00 ET |  | Harvard | |
| Jan 18 | 7:00 ET | | @Quinnipiac | L 0-9 |
| Jan 21 | 7:00 ET | | @Cornell | W 5-4 |
| Jan 22 | 7:00 ET |  | @Colgate | T 2-2 |
| Jan 26 | 7:00 ET | | Quinnipiac | L 0-6 |
| Jan 28 | 7:00 ET | | Quinnipiac | |
| Jan 28 | 1:00 ET | | Brown | W 6-1 |
| Feb 4 | 7:00 ET | | Rensselaer | W 3-2 |
| Feb 5 | 7:00 ET | | Union | L 3-7 |
| Feb 8 | 7:00 ET | | Yale | W 2-1 |
| Feb 11 | 7:00 ET | | @Clarkson | L 1-7 |
| Feb 12 | 7:00 ET | | @St. Lawrence | W 3-2 |
| Feb 14 | 5:00 ET | | Dartmouth | L 3-7 |
| Feb 18 | 7:00 ET | | @Harvard | L 3-4 |
| Feb 19 | 7:00 ET | | @Dartmouth | L 0-2 |
| Feb 25 | 7:00 ET | | Colgate | L 3-4 |
| Feb 26 | 7:00 ET | | Cornell | L 0-4 |
| Feb 27 | 4:00 ET | | Harvard | L 0-3 |
| Mar 4 | 7:00 ET | | @Union | L 2-3 |
| Mar 5 | 4:00 ET | | @Union | L 1-5 |