This is a list of archipelagos, organised by oceans then seas and finally arranged alphabetically. Geographically isolated islands are included as well.

Arctic Ocean

Archipelagos of the Arctic Ocean:

Atlantic Ocean

Archipelagos of the Atlantic Ocean:

Along the coast of Europe

Along the coast of Africa

Along the coast of the Americas

Macaronesia

Archipelagos of Macaronesia:

Baltic Sea, Gulf of Bothnia and Gulf Of Finland

Archipelagos of the Baltic Sea, Gulf of Bothnia and Gulf of Finland:

Caribbean Sea and the Gulf of Mexico

Archipelagos of the Caribbean Sea and the Gulf of Mexico:

Caspian Sea

Archipelagos of the Caspian Sea:

Mediterranean Sea

Archipelagos of the Mediterranean Sea:

North Sea

Archipelagos of the North Sea:

Bering Strait

Archipelagos of the Bering Strait:

Indian Ocean

Archipelagos of the Indian Ocean:

Along the coast of Africa

Along the coast of Asia

Along the coast of Australia

Outlying archipelagos

Red Sea

Archipelagos in the Red Sea:

Pacific Ocean

Archipelagos of the Pacific Ocean:

Along the coast of the Americas

Along the coast of Asia

Oceania

Australia

Melanesia

Micronesia (Subdivision of Oceania not country)

Polynesia

Southern Ocean

Islands of the Southern Ocean:

Lakes and rivers

By population

Indonesia 267,000,000 Philippines 108,576,000 Japan 125,950,000 Sakhalin 498,000 Kuril Islands 19,434 Great Britain 60,800,000 Ireland 6,572,728 Greater Antilles 38,400,500 Lesser Antilles 3,950,000 Lucayan Archipelago 443,000 Leeward Antilles 770,000 Hawaii 1,415,870 Bioko 334,463 São Tomé and Príncipe 211,000 Annobón 5,232