| Aaron Dupnai | |
| Sport: | Long-distance running |
| Event: | Marathon |
| Birth Date: | 27 August 1968 |
| Birth Place: | Kiunga, Papua and New Guinea |
Aaron Dupnai (born 27 August 1968) is a Papua New Guinean long-distance runner. He competed in the men's marathon at the 1988 Summer Olympics.[1]