The 2018–19 Murray State Racers men's basketball team represented Murray State University during the 2018–19 NCAA Division I men's basketball season. The Racers, led by fourth-year head coach Matt McMahon, played their home games at the CFSB Center in Murray, Kentucky as members of the Ohio Valley Conference. They finished the season 28–5, 16–2 in OVC play to finish second to Belmont on a tiebreaker for the regular season championship with Belmont. They defeated Jacksonville State and upset the short-handed Belmont Bruins to be champions of the OVC tournament. They earned the OVC's automatic-bid to the NCAA tournament where they defeated Marquette in the first round before losing in the second round to Florida State.