| Middleburg Island | |
| Native Name: | Mnukasun, Pulau Kecil |
| Map: | Indonesia |
| Location: | Tambrauw Regency, Southwest Papua |
| Area Km2: | 1.33 |
| Elevation M: | 22 |
| Country: | Indonesia |
| Timezone: | Indonesia Eastern Time |
| Utc Offset: | +9 |
| Coordinates: | -0.3689°N 132.1956°W |
Middleburg Island is an island in the Tambrauw in Southwest Papua province of eastern Indonesia. It is part of the Su Islands (Mios Su) or the Soe Island Group.[1]