The 2019–20 Eastern Washington Eagles men's basketball team represented Eastern Washington University during the 2019–20 NCAA Division I men's basketball season. Led by third-year head coach Shantay Legans, the Eagles were members of the Big Sky Conference and played their home games on campus at Reese Court in Cheney, Washington. They finished the regular season at 23–8 (16–4 in Big Sky, first).