| Gender: | men |
| Division: | iii |
| Year: | 1989 |
| Duration: | October 1989– March 24, 1990 |
| Champ Stad: | K.B. Willett Arena |
| Champ City: | Stevens Point, Wisconsin |
| Champ: | Wisconsin–Stevens Point |
The 1989–90 NCAA Division III men's ice hockey season began in October 1989 and concluded on March 24 of the following year. This was the 17th season of Division III college ice hockey.
| Tournament | Dates | Teams | Champion |
|---|---|---|---|
| Potsdam Tournament | October 27–28 | 4 | Mercyhurst |
| Brockport Invitational | November 3–4 | 4 | Brockport State |
| Canisius Tournament | November 3–4 | 4 | Geneseo State |
| Cardinal Classic | November 3–4 | 4 | Plattsburgh State |
| RIT Tournament | November 3–4 | 4 | RIT |
| Elmira Tournament | November 17–18 | 4 | Elmira |
| Northeast-10 Invitational | November 18–19 | 4 | Saint Michael's |
| Union Tournament | 4 | ||
| McCabe Tournament | December 1–2 | 4 | Trinity |
| Codfish Bowl | December 28–29 | 4 | Salem State |
| Salem State Tournament | January 5–6 | 4 | Middlebury |
| Spurrier Invitational | January 19–20 | 4 | Assumption |
| SUNYAC Tournament | February 23–24 | 4 | Plattsburgh State |
Note: Mini-game are not included in final standings
See main article: article and 1990 NCAA Division III Men's Ice Hockey Tournament. Note: * denotes overtime period(s)
See main article: 1990 NHL Supplemental Draft.