The 2017–18 Bucknell Bison men's basketball team represented Bucknell University during the 2017–18 NCAA Division I men's basketball season. The Bison, led by third-year head coach Nathan Davis, played their home games at Sojka Pavilion in Lewisburg, Pennsylvania as members of the Patriot League. They finished the season 25–10, 16–2 in Patriot League to win the Patriot League regular season championship. They defeated Loyola (MD), Boston University, and Colgate to win the Patriot League tournament championship. As a result, they received the Patriot League's automatic bid to the NCAA tournament where they lost in the first round to Michigan State.