The 2018–19 Northern Colorado Bears men's basketball team represented the University of Northern Colorado during the 2018–19 NCAA Division I men's basketball season. The Bears were led by third-year head coach Jeff Linder and played their home games at Bank of Colorado Arena in Greeley, Colorado as members of the Big Sky Conference. They finished the season 21–11, 15–5 in Big Sky play to finish in second place. They lost in the quarterfinals of the Big Sky tournament to Southern Utah.