Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
- Greenland (840000 sq mi) - self-governing overseas administrative division of Denmark
- New Guinea (309000 sq mi) - the state Papua New Guinea and part of Indonesia
- Borneo (287300 sq mi) - the state Brunei and parts of Indonesia and Malaysia
- Madagascar (227000 sq mi)
- Baffin Island (195928 sq mi) - part of Canada
- Sumatra (182860 sq mi) - part of Indonesia
- Honshu (89176 sq mi) - part of Japan
- Great Britain (88795 sq mi) - part of UK
- Victoria Island (83897 sq mi) - part of Canada
- Ellesmere Island (75767 sq mi) - part of Canada
- Celebes (73057 sq mi) - part of Indonesia
- South Island (58384 sq mi) - part of New Zealand
- Java (51038 sq mi) - part of Indonesia
- North Island (44702 sq mi) - part of New Zealand
- Cuba (42803 sq mi) - in the Caribbean
- Newfoundland (42031 sq mi) - part of Canada
- Luzon (40420 sq mi) - part of Philippines
- Iceland (39800 sq mi)
- Mindanao (36537 sq mi) - part of Philippines
- Ireland (32600 sq mi) - Republic of Ireland and part of UK
- Hokkaido (32245 sq mi) - part of Japan
- Novaya Zemlya (31900 sq mi) - part of Russia
- Sakhalin (29500 sq mi) - part of Russia
- Hispaniola (29300 sq mi) - states Haiti and Dominican Republic
- Banks Island (27038 sq mi) - part of Canada
- Tasmania (26200 sq mi) - part of Australia
- Sri Lanka (Ceylon) (24900 sq mi)
Africa
Antarctica (and sub-Antarctica islands)
Arctic
Asia
- Indonesia 17,000 islands, 6,000 are inhabited
Atlantic
Australia
Caribbean
Europe
- Denmark has 405 named islands, of which 82 are inhabited. The largest are listed.
Indian Ocean
North America
Pacific
- Western Samoa (see Samoa)
South America
Phantom Islands - (mythical islands believed at one time, to be real)
Artificial Islands[?] -(islands created by humans, where once was sea)