The 2017–18 Lafayette Leopards men's basketball team represented Lafayette College during the 2017–18 NCAA Division I men's basketball season. The Leopards, led by 23rd-year head coach Fran O'Hanlon, played their home games at the Kirby Sports Center in Easton, Pennsylvania as members of the Patriot League. They finished the season 10–21, 7–11 in Patriot League play to finish in seventh place. They defeated American in the first round of the Patriot League tournament before losing in the quarterfinals to Colgate.
