The 2017–18 Old Dominion Monarchs men’s basketball team represented Old Dominion University during the 2017–18 NCAA Division I men's basketball season. The Monarchs, led by fifth-year head coach Jeff Jones, played their home games at the Ted Constant Convocation Center in Norfolk, Virginia as members of Conference USA. They finished the season 25–7, 15–3 in C-USA play to finish in second place. They defeated Louisiana Tech in the quarterfinals of the C-USA Tournament before losing to Western Kentucky in the semifinals. Despite winning 25 games on the season, the Monarchs did not participate in a postseason tournament.