The 2017–18 Winthrop Eagles men's basketball team represented Winthrop University during the 2017–18 NCAA Division I men's basketball season. The Eagles, led by sixth-year head coach Pat Kelsey, played their home games at the Winthrop Coliseum in Rock Hill, South Carolina as members of the Big South Conference. They finished the season 19–12, 12–6 in Big South play to finish in a tie for second place. They defeated Gardner–Webb in the quarterfinals of the Big South tournament before losing in the semifinals to Radford.