2019–20 Clarkson Golden Knights men's ice hockey season

The 2019-20 Clarkson Golden Knights Men's ice hockey season was the 98th season of play for the program and the 59th season in the ECAC Hockey conference. The Golden Knights represented the Clarkson University and played their home games at Cheel Arena, and were coached by Casey Jones, in his 9th season.

On March 12, ECAC Hockey announced that the remainder of the tournament was cancelled due to the COVID-19 pandemic.

Roster
As of September 12, 2019.

Schedule and Results
!colspan=12 style=";" | Exhibition

!colspan=12 style=";" | Regular Season

!colspan=12 style=";" | ECAC Hockey Tournament
 * - align="center" bgcolor="#e0e0e0"
 * colspan=12|Remainder of Tournament Cancelled

2020 NHL Entry Draft
† incoming freshman