| Mode: | basketball |
| Year: | 2018–19 |
| Team: | Dartmouth Big Green |
| Conference: | Ivy League |
| Short Conf: | Ivy |
| Record: | 11–19 |
| Conf Record: | 2–12 |
| Head Coach: | David McLaughlin |
| Hc Year: | 3rd |
| Asst Coach1: | Pete Hutchins |
| Asst Coach2: | Justin Bradley |
| Asst Coach3: | John Andrzejek |
| Stadium: | Leede Arena |
The 2018–19 Dartmouth Big Green men's basketball team represented Dartmouth College during the 2018–19 NCAA Division I men's basketball season. They played their home games at the Leede Arena in Hanover, New Hampshire and were led by third-year head coach David McLaughlin as members of the Ivy League. They finished the season 11–19 overall, 2–12 in Ivy League play, finishing in eighth place, and failed to qualify for the Ivy League tournament.
The Big Green finished the 2017–18 season 7–20, 3–11 in Ivy League play to finish in last place and failed to qualify for the Ivy League tournament.
|-!colspan=12 style=| Non-Conference Regular season|-!colspan=9 style=| Ivy League regular season|-Source[1]