Rank Island 's name Area (km) Area (sq mi) Country or countries Greenland 2,130,800 822,700 Greenland, forms part of the Danish Realm (Denmark) New Guinea 785,753 303,381 Papua New Guinea and Indonesia (Papua and West Papua) Borneo 743,330 288,869 Brunei, Malaysia (Sabah and Sarawak) and Indonesia (Central, East, North, South and West Kalimantan) Madagascar 587,713 226,917 Madagascar 5 Baffin Island 507,451 195,928 Canada (Nunavut) 6 Sumatra 443,066 171,069 Indonesia (Aceh, Bengkulu, Jambi, Lampung, Riau and North, South and West Sumatra) 7 Honshu 225,800 87,200 Japan (Chūbu, Chūgoku, Kansai, Kantō and Tōhoku regions) 8 Victoria Island 217,291 83,897 Canada (Northwest Territories and Nunavut) 9 Great Britain 209,331 80,823 United Kingdom (England, Scotland and Wales) 10 Ellesmere Island 196,236 75,767 Canada (Nunavut) 11 Sulawesi 180,681 69,761 Indonesia (Gorontalo and Central, North, South, Southeast and West Sulawesi provinces) 12 South Island 145,836 56,308 New Zealand (Canterbury, Otago, Southland, West Coast, Tasman, Nelson, Marlborough regions) 13 Java 138,794 53,589 Indonesia (Banten, Jakarta, Yogyakarta and Central, East and West Java provinces) 14 North Island 111,583 43,082 New Zealand (Northland, Auckland, Waikato, Gisborne, Bay of Plenty, Taranaki, Hawke 's Bay, Manawatu - Wanganui and Wellington regions) 15 Luzon 109,965 42,458 Philippines (Bicol, Cagayan Valley, Calabarzon, Central Luzon, Cordillera, Ilocos and National Capital regions) 16 Newfoundland 108,860 42,030 Canada (Newfoundland and Labrador) 17 Cuba (main island) 105,806 40,852 Cuba 18 Iceland (main island) 101,826 39,315 Iceland
who is the largest island in the world
Greenland Greenland