| Irai Island | |
| Native Name Lang: | png |
| Nickname: | --> |
| Pushpin Map: | Papua New Guinea |
| Pushpin Map Caption: | 10°46′03″S 151°41′33″E |
| Coordinates: | -10.7675°N 151.6925°W[1] |
| Location: | Oceania |
| Archipelago: | Louisiade Archipelago |
| Waterbody: | Solomon Sea |
| Total Islands: | 1 |
| Area Km2: | 1.08 |
| Length Km: | 6 |
| Width Km: | 0.25 |
| Coastline M: | --> |
| Country: | Papua New Guinea |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions Title 1: | District |
| Country Admin Divisions 1: | Samarai-Murua District |
| Country Admin Divisions Title 2: | LLG[2] |
| Country Admin Divisions 2: | Bwanabwana Rural LLG |
| Country Admin Divisions Title 3: | Island Group |
| Country Admin Divisions 3: | Calvados Chain |
| Country Largest City: | Copra Plantation |
| Country Largest City Population: | 20 |
| Population: | 20 |
| Population As Of: | 2014 |
| Density Km2: | 18.5 |
| Ethnic Groups: | Papauans, Austronesians, Melanesians. |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
| Iso Code Type: | ISO code |
| Iso Code: | PG-MBA |
Irai Island is the main island of the Conflict Islands, which were sighted in 1879 by HMS Cormorant and named in 1880 by Bower, captain of HMS Conflict.[3]