The 2019–20 Omaha Mavericks men's basketball team represented the University of Nebraska Omaha in the 2019–20 NCAA Division I men's basketball season. The Mavericks, led by 15th-year head coach Derrin Hansen, played their home games at Baxter Arena in Omaha, Nebraska as members of the Summit League. They finished the season 16–16, 9–7 in Summit League play to finish in a tie for fourth place. They lost in the quarterfinals of the Summit League tournament to Oral Roberts.