| Year: | 1983–84 |
| Team: | Dayton Flyers |
| Sport: | Basketball |
| Conference: | Independent |
| Record: | 21–11 |
| Head Coach: | Don Donoher |
| Hc Year: | 20th |
| Stadium: | University of Dayton Arena |
| Tourney: | NCAA tournament |
| Tourney Result: | Elite Eight |
The 1983–84 Dayton Flyers men's basketball team represented the University of Dayton during the 1983–84 NCAA Division I men's basketball season. The Flyers, led by head coach Don Donoher, played their home games at the University of Dayton Arena and were an NCAA independent. Dayton received a bid to the NCAA tournament as No. 10 seed in the West region where they made an unexpected run to the Elite Eight. They defeated No. 7 seed 74–66 in the opening round, upset No. 2 seed Oklahoma 89–85 in the second round, and advanced over No. 6 Washington[1] to reach the West regional final. They lost to eventual National champion Georgetown, 61–49,[2] and finished the season 21–11.
|-!colspan=9 style=| Regular season|-!colspan=9 style=| NCAA Tournament[3] [4]