| Mode: | Basketball |
| Year: | 2020–21 |
| Team: | Eastern Washington Eagles |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 16–8 |
| Conf Record: | 12–3 |
| Hc Year: | 4th |
| Assoc Coach: | David Riley |
| Asst Coach1: | Bobby Suarez |
| Asst Coach2: | T.J. Lipold |
| Champion: | Big Sky tournament champions |
| Bowl: | NCAA tournament, First Round |
The 2020–21 Eastern Washington Eagles men's basketball team represented Eastern Washington University in the Big Sky Conference during the 2020–21 NCAA Division I men's basketball season. Led by fourth-year head coach Shantay Legans, the Eagles played their home games on campus at Reese Court in Cheney, Washington.
In the regular season, EWU was 13–7 overall (12–3, Big Sky, 2nd) and was seeded second in the conference tournament, which they won. Seeded fourteenth in the West regional of the NCAA tournament, they met twelfth-ranked Kansas in the round of 64. The Eagles scored the first nine points and led by eight at the half, but were overcome by the Jayhawks in the last ten minutes and lost by nine points; their season ended with an overall record of .
The Eagles finished the 2019–20 season 23–8 (16–4 in Big Sky, first). The top seed in the Big Sky tournament, Eastern was scheduled to take on the #9 seed Sacramento State in the quarterfinals, but the tournament was cancelled due to the COVID-19 pandemic.[1]
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