 Balaun Island from the air | |
 Location of Balaun Island within the Admiralty Islands | |
| Geography | |
|---|---|
| Coordinates | 2°33′30″S 147°17′02″E / 2.558265°S 147.283895°E |
| Archipelago | Admiralty Islands, Bismarck Archipelago |
| Area | 14 km2 (5.4 sq mi) |
| Width | 5 km (3.1 mi) |
| Coastline | 16 km (9.9 mi) |
| Highest point | Saboma Crater |
| Administration | |
| Province | Manus Province |
| District | Manus District |
| Local-Level Government | Balopa Rural LLG |
| Demographics | |
| Population | 1,910 (2011 Census) |
| Additional information | |
| Time zone | |
Baluan Island (formerly known as Saint Patrick Island) is the southernmost island of the Admiralty Islands group which makes up the majority of Manus Province in Papua New Guinea. It belongs to the Pam Islands, an island subgroup to the south of Lou Island. It is formed from an extinct volcano, also named Baluan.