| Motorina Island | |
| Native Name Lang: | png |
| Sobriquet: | Mewstone Island |
| Pushpin Map: | Papua New Guinea |
| Coordinates: | [1] |
| Location: | Oceania |
| Archipelago: | Louisiade Archipelago |
| Waterbody: | Solomon Sea |
| Total Islands: | 1 |
| Area Km2: | 7.8 |
| Coastline M: | --> |
| Elevation M: | 302 |
| Highest Mount: | Mount Motorina |
| 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: | Louisiade Rural LLG |
| Country Admin Divisions Title 3: | Island Group |
| Country Admin Divisions 3: | Calvados Chain |
| Country Largest City: | Riman Bay |
| Country Largest City Population: | 100 |
| Population: | 595 |
| Population As Of: | 2014 |
| Density Km2: | 76 |
| Ethnic Groups: | Papauans, Austronesians, Melanesians. |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
| Iso Code Type: | ISO code |
| Iso Code: | PG-MBA |
Motorina Island is an island of Papua New Guinea, part of the Calvados Chain.It is the highest island in the group. The population consists of farmers, raising bananas across the island. The main port is at Riman Bay. Other slightly large villages include: Tawara, Mabaraboraboa.