2020–21 NCAA Division I men's ice hockey season

The 2020–21 NCAA Division I men's ice hockey season began on November 14, 2020, and concluded with the Frozen Four on April 10, 2021. Due to the cancellation of the previous year's tournament due to COVID-19 pandemic, this was the 73rd season in which an NCAA ice hockey championship was held, and was US college hockey's 127th year overall.

Due to concerns related to the pandemic, the start of the season was delayed until what would have normally been the 8th week of play. Despite having to contend with contend with cancellations and delays due to the pandemic, the season was completed. Massachusetts won their first national championship, ending the 4-year run of NCHC teams.