| Mode: | Basketball |
| Year: | 2018–19 |
| Prev Year: | 2017–18 |
| Next Year: | 2019–20 |
| Team: | Omaha Mavericks |
| Conference: | The Summit League |
| Short Conf: | The Summit |
| Record: | 21–11 |
| Conf Record: | 13–3 |
| Hc Year: | 14th |
| Asst Coach1: | Pat Eberhart |
| Asst Coach2: | Tyler Erwin |
| Asst Coach3: | Tyler Bullock |
The 2018–19 Omaha Mavericks men's basketball team represents the University of Nebraska Omaha during the 2018–19 NCAA Division I men's basketball season. The Mavericks, led by 14th-year head coach Derrin Hansen, play their home games at Baxter Arena as members of The Summit League.
The Mavericks finished the season 9–22, 4–10 in Summit League play to finish in seventh place. They lost in the quarterfinals of the Summit League tournament to South Dakota State.
|-!colspan=9 style=|Regular season|-!colspan=9 style=| Summit League regular season|-!colspan=9 style=| Summit League tournament