The 2017–18 Troy Trojans men's basketball team represented Troy University during the 2017–18 NCAA Division I men's basketball season. The Trojans, led by fifth-year head coach Phil Cunningham, played their home games at Trojan Arena in Troy, Alabama as members of the Sun Belt Conference. They finished the season 16–17, 9–9 in Sun Belt play to finish in a three-way tie for fifth place. They defeated South Alabama in the first round of the Sun Belt tournament before losing in the quarterfinals to Georgia State.