| ELBA | Third-largest island of Italy |
| SICILY | Island of Italy |
| SARDINIA | Island of Italy |
| FUNEN | Third-largest island of Denmark, linked to the largest, Zealand, by the Great Belt Bridge (5) |
| SUMATRA | Third-largest island of Indonesia by area, separated from the Malay Peninsula by the Strait of Malacca (7) |
| SAMAR | Third-largest island of the Philippines, separated from Leyte by the San Juanico Strait (5) |
| BOAVISTA | Easternmost and third-largest island of Cape Verde; from Portuguese, 'good view' (3,5) |
| OAHU | Third-largest island of Hawaii, known as 'The Gathering Place' (4) |
| IBIZA | Third-largest island of the Balearics, known locally as Eivissa (5) |
| ODENSE | Third-largest city of Denmark after Copenhagen and Aarhus, on its third-largest island (Funen) (6) |
| IRELAND | Europe's third largest island, just over half the size of the South Island (7) |
| JAMAICA | Third-largest island country of the Greater Antilles |
| BORNEANS | Residents of the world's third largest island |
| BORNEO | Island in south-east Asia (287,000 sq miles; pop 22 million), the third largest island in the world (6) |
| CYPRUS | The third largest island in the Mediterranean (6) |
| KYUSHU | Japan's third-largest island (6) |
| IRE | Europe's third largest island (abbr.) |
| PAPUANEWGUINEA | World's third largest island country |
| ELLESMERE | Canada's northernmost and third largest island |
| BRAC | Third-largest island in the Adriatic Sea, near the Croatian capital, Split (4) |