The 2019–20 Jacksonville State Gamecocks men's basketball team represented Jacksonville State University in the 2019–20 NCAA Division I men's basketball season. The Gamecocks, led by fourth-year head coach Ray Harper, played their home games at the Pete Mathews Coliseum in Jacksonville, Alabama as members of the Ohio Valley Conference. They finished the season 13–19, 8–10 in OVC play to finish in seventh place. They lost in the first round of the OVC tournament to Eastern Illinois.