| Nigaho Island | |
| Native Name Lang: | png |
| Pushpin Map: | Papua New Guinea |
| Coordinates: | [1] |
| Location: | Oceania |
| Archipelago: | Louisiade Archipelago |
| Waterbody: | Solomon Sea |
| Total Islands: | 1 |
| Area Km2: | 0.11 |
| Coastline M: | --> |
| Elevation M: | 20 |
| 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: | Yeleamba Rural LLG |
| Country Admin Divisions Title 3: | Island Group |
| Country Admin Divisions 3: | Calvados Chain |
| Country Largest City: | Nigaho |
| Country Largest City Population: | 226 |
| Population: | 226 |
| Population As Of: | 2014 |
| Density Km2: | 2,054 |
| Ethnic Groups: | Papauans, Austronesians, Melanesians. |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
| Iso Code Type: | ISO code |
| Iso Code: | PG-MBA |
Nigaho Island is an island in Papua New Guinea, part of the Calvados Chain within the Louisiade Archipelago. Politically, it is in Pana Tinani Ward, not like the other Calvados Chain islands which all belong to the Calvados Chain Ward. It is the most densely populated island of the chain.It is the most eastern island of the chain.