| Mode: | basketball |
| Year: | 2023–24 |
| Prev Year: | 2022–23 |
| Next Year: | 2024–25 |
| Team: | Portland State Vikings |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 17–15 |
| Conf Record: | 8–10 |
| Head Coach: | Jase Coburn |
| Hc Year: | 3rd |
| Asst Coach1: | Matt Dunn |
| Asst Coach2: | Quinton Upshur |
| Asst Coach3: | Nate Laing |
| Stadium: | Viking Pavilion |
The 2023–24 Portland State Vikings men's basketball team represented Portland State University in the 2023–24 NCAA Division I men's basketball season. They were led by third-year head coach Jase Coburn and played their home games at the Viking Pavilion as members of the Big Sky Conference.
The Vikings finished the season 12–18, 6–11 in conference play to finish in seventh place. In the Big Sky tournament, the Vikings were defeated by the Northern Colorado in their first-round game to end their season.[1]
|-!colspan=9 style=| Regular season|-!colspan=9 style=| Big Sky tournamentSource[2]