This is a list of islands in the world ordered by size:
- Greenland (840'000 sq mi) - self-governing overseas administrative division of Denmark
- New Guinea (309'000 sq mi) - the state Papua New Guinea and part of Indonesia
- Borneo (287'300 sq mi) - the state Brunei and parts of Indonesia and Malaysia
- Madagascar (227'000 sq mi)
- Baffin Island (195'928 sq mi) - part of Canada
- Sumatra (182'860 sq mi) - part of Indonesia
- Honshu (89'176 sq mi) - part of Japan
- Great Britain (88'795 sq mi) - part of UK
- Victoria Island (83'897 sq mi) - part of Canada
- Ellesmere Island (75'767 sq mi) - part of Canada
- Celebes (73'057 sq mi) - part of Indonesia
- South Island (58'384 sq mi) - part of New Zealand
- Java (51'038 sq mi) - part of Indonesia
- North Island (44'702 sq mi) - part of New Zealand
- Cuba (42'803 sq mi) - in the Caribbean
- Newfoundland (42'031 sq mi) - part of Canada
- Luzon (40'420 sq mi) - part of Philippines
- Iceland (39'800 sq mi)
- Mindanao (36'537 sq mi) - part of Philippines
- Ireland (32'600 sq mi) - Republic of Ireland and part of UK
- Hokkaido (32'245 sq mi) - part of Japan
- Novaya Zemlya (31'900 sq mi) - part of Russia
- Sakhalin (29'500 sq mi) - part of Russia
- Hispaniola (29'300 sq mi) - states Haiti and Dominican Republic
- Banks Island (27'038 sq mi) - part of Canada
- Tasmania (26'200 sq mi) - part of Australia
- Sri Lanka (Ceylon) (24'900 sq mi)
See also: List of islands (by country)