This article features a list of islands sorted by their name beginning with the letter A.
A
Island's Name Island group(s) Country/Countries83-42, A Nova Beira Baixa islands Abbasak Persian Gulf Aberdeen Georgian Bay, Abner Cay Bahamas Abruka Gulf of Riga Absecon Abu Musa Persian Gulf Claimed by and Acheron Great Palm Island, Achill Achillbeg Acklins Bahamas Acton Lake Muskoka, Adam Lesser Antilles Adams Antarctica Adams Adams Auckland Islands Adams Adams Key Florida Keys, Adderly Cay Bahamas Adelaide Marguerite Bay off the west coast of the Antarctic Peninsula AntarcticaAdelaide St. Lawrence River, Adelsö Lake Mälaren Adhelfopoulo Sporades Admiralty Admiralty Admiralty Saint Lawrence River, Adsiz Baku Archipelago Æbelø The Kattegat Aegina Saronic Islands Aegna Tallinn Bay, Baltic Sea Ærø Baltic Sea Agar's Agathonisi Dodecanese Agatti Lakshadweep Agerø Limfjord Agersø Great Belt Agios Efstratios Agnes Agolada Ribatejo islands Agrihan Agunijima Okinawa Islands part of the Ryukyu Islands Ahe King George Islands, , Ahelaid Väinameri Sea Cayo Ahogado Greater Antilles, Ahtra Pärnu Bay, Gulf of Riga Ailinginae Ralik Chain Ailinginae Atoll Ralik Chain Ailinglapalap Ralik Chain Ailinglapalap Atoll Ralik Chain Ailuk Ratak Chain Ailuk Atoll Ratak Chain Air Force Queen Elizabeth Islands, Aipus Torres Strait Islands Aitutaki Cook Islands Ajeltokrok Arno Atoll Ajirah Hawar Islands Akajima Kerama Islands part of the Okinawa Islands part of the Ryukyu Islands Akimiski James Bay, Akpatok Queen Elizabeth Islands, Aksi Gulf of Finland Akusekijima Tokara Islands part of the Satsunan Islands part of the Ryukyu Islands Aikin Al Hajiyat Hawar Islands Al Wakur Hawar Islands Alameda Islands of San Francisco Bay, Åland Archipelago Sea, Albany Torres Strait Islands Albatross Isla de Alborán Plazas de Soberanía, Strait of Gibraltar Disputed between and Alcarraza Greater Antilles, Alcatraz Islands of San Francisco Bay, Alcorn Moon Lake, Alcsi-sziget Tisza Alder Cay Bahamas Alderney Channel Islands Crown dependencyAlegranza Alejandro Selkirk Juan Fernández archipelago Alexander Queen Elizabeth Islands, Cayo Alfenique Greater Antilles, Alger Fulton Chain Lakes, Cayo Algodones Greater Antilles, Alicudi Aeolian Islands Alimia Dodecanese All Awash Lesser Antilles Allan Cays Bahamas Allans Cay Bahamas Alligator Allirahu Gulf of Riga Allison Torres Strait Islands, Almourol Ribatejo islands Alnön Alonissos Sporades Alpha Als Baltic Sea Alumine Vaika Vaika Islands Isla Altamuria Alty Amager Øresund Amami Ōshima Amami Islands part of the Satsunan Islands part of the Ryukyu Islands Amanu , Ambae Pacific Ocean Ambergris Cay Bahamas Amboyna CaySpratly IslandsDisputed between: ,
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, andAmbrym New Hebrides Ambu Arabian Sea Amedroz North Channel, Ameland West Frisian Islands Amelia Sea Islands, Amherst Lake Ontario, Amini Lakshadweep Ammerön Amores Minho islands Amorgos Cyclades Amoroso Beira Litoral Islands Åmøy Stavanger Municipality, Rogaland Amrita Amrum North Frisian Islands Amsterdam Indian Ocean Amund Ringnes Island Sverdrup Islands group of the Queen Elizabeth Islands, Amygdaloid Lake Superior, Anacapa Channel Islands of California Anafi Cyclades Anastasia Matanzas River, India Bay of Bengal Anatahan Anaho Pyramid Lake, Anatom Pacific Ocean Anchor Torres Strait Islands, Andaman and Nicobar Islands Bay of Bengal Andalusia Mississippi River, Anderson Cay Bahamas Anderson's Ledge Isles of Shoals, Anderson Puget Sound, Andørja Troms Andøya Vesterålen Andrott Lakshadweep Andros Cyclades Andros Bahamas Anegada Lesser Antilles, Angel Cays Bahamas Isla Ángel de la Guarda Angel Islands of San Francisco Bay, Angijak Agistri Angle Cay Bahamas Angoche Anglesey North Wales Anguila Bahamas Anguilla Leeward Islands of the Lesser Antilles British Overseas Territory of the Anguillita Leeward Islands of the Lesser Antilles, British Overseas Territory of the Anholt the Kattegat Aniwa Pacific Ocean Anjouan Comoros Anna Cay Bahamas Annacis Fraser River, Annobón Gulf of Guinea Anticosti Saint Lawrence River, Antigua Leeward Islands Antikythera Antelope Antelope Great Salt Lake, Antiparos Cyclades Antipsara Anuanuraro Duke of Gloucester Islands, , Anuanurunga Duke of Gloucester Islands, , Anuta Melanesia Anydros Cyclades Aoba Pacific Ocean Aogashima Izu Islands Apataki Palliser Islands, , Aplin Appledore Isles of Shoals, Aquidneck Aquidneck Island, Aragusuku Yaeyama Islands part of the Sakishima Islands part of the Ryukyu IslandsAranysziget Tisza Araura Cook Islands Araway Cay Bahamas Arbuckle Archer Archers Cay Bahamas Arden Torres Strait Islands, Ardy More Lower Lough Erne Cayo Arenas Greater Antilles, Argyle Lake Huron, AriMaldives MaldivesAriana Alentejo Islands Aristazabal Arizona Arkiko Red Sea Arkoi Dodecanese Armathia Dodecanese Armona Island Algarve islands Armstrong Holston River, Arnold Arnøya Troms Årø Little Belt Arøya Vestfold Arran Scotland ArranmoreCounty Donegal Arsenal Mississippi River, Aruba Lesser Antilles Kingdom of the NetherlandsAruro Lake Abaya Arutua Palliser Islands, , Ascension British overseas territory of Ascrib Ash Willamette River, Asinara Askø Asperö Southern Gothenburg Archipelago Assateague and Astakida Dodecanese Astipálaia Dodecanese Asunción Atholl Bahamas Atiu Cook Islands Atkinson Galveston Bay, Atløyna Vestland Attu Aleutian Islands Atwood Cay Bahamas Aubrey St. Lawrence River, Aubussi Torres Strait Islands, Auckland Auckland Islands Aughinish County Clare Aughinish County Limerick August Cay Bahamas Auhah Persian Gulf Aukane Torres Strait Islands, Aulneau St. Lawrence River, Aur Atoll Ratak Chain Aureed Torres Strait Islands, Auskerry The North Isles, Australia Australia, Austvågøy Lofoten Aux Herbes Mississippi Sound, Avernakø AverøyaMøre og Romsdal Avery Avsa Sea of Marmara Axel Heiberg Sverdrup Islands group of the Queen Elizabeth Islands, Azenha Brava Alentejo islands
See also List of islands (by country) List of islands by area List of islands by population List of islands by highest point