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.

[1] As of September 12, 2019.

[2] [3] [4] [5] † incoming freshman [6]