| Mode: | Basketball |
| Year: | 2018–19 |
| Team: | Lehigh Mountain Hawks |
| Conference: | Patriot League |
| Short Conf: | Patriot |
| Record: | 20–11 |
| Conf Record: | 12–6 |
| Head Coach: | Brett Reed |
| Hc Year: | 12th |
| Asst Coach1: | Antoni Wyche |
| Asst Coach2: | Harry Morra |
| Asst Coach3: | Noel Hightower |
| Stadium: | Stabler Arena |
The 2018–19 Lehigh Mountain Hawks men's basketball team represented Lehigh University during the 2018–19 NCAA Division I men's basketball season. The Mountain Hawks, led by 12th-year head coach Brett Reed, played their home games at Stabler Arena in Bethlehem, Pennsylvania as members of the Patriot League.
The Mountain Hawks finished the 2017–18 season 16–14, 11–7 in Patriot League play to finish in a tie for third place. They lost in the quarterfinals of the Patriot League tournament to Boston University.
|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Patriot League regular season|-!colspan=9 style=| Patriot League tournamentSource[1]