# List of Aleutian Islands

The Aleutian Islands are divided into six major island chains, and one additional island. From east to west, they are Fox Islands, Islands of the Four Mountains, Andreanof Islands, Rat Islands, Buldir Island, Near Islands and Commander Islands. The Commander Islands are under the jurisdiction of Russia, and the rest are under the jurisdiction of the United States. Listed below are all the islands with an area of at least 0.1 square miles.
| English Name | Aleut Name | Island Chain | Island Subgroup | Area (sq mi) | Population | Coordinates | Political Subdivision | Notes |
| Adak Island | Adaax | Andreanof Islands | | 274.6 | 45 | 51°46′51″N 176°38′45″W﻿ / ﻿51.78083°N 176.64583°W﻿ / 51.78083; -176.64583 | Aleutians West Census Area, Alaska, US | |
| Adugak Island | Adugax̂ | Fox Islands | | 0.3 | | 52°54′17″N 169°10′28″W﻿ / ﻿52.90472°N 169.17444°W﻿ / 52.90472; -169.17444 | Aleutians West Census Area, Alaska, US | Rookery for endangered Steller sea lion |
| Agattu Island | Angatux̂ | Near Islands | | 89.7 | 0 | 52°26′07″N 173°34′32″E﻿ / ﻿52.43528°N 173.57556°E﻿ / 52.43528; 173.57556 | Aleutians West Census Area, Alaska, US | |
| Aiktak Island | Ugangax | Fox Islands | Krenitzin Islands | 0.5 | 0 | 54°11′01″N 164°49′41″W﻿ / ﻿54.18361°N 164.82806°W﻿ / 54.18361; -164.82806 | Aleutians East Census Area, Alaska, US | |
| Akun Island | Akungan | Fox Islands | | 64.4 | 0 | 54°11′18″N 165°31′43″W﻿ / ﻿54.18833°N 165.52861°W﻿ / 54.18833; -165.52861 | Aleutians East Census Area, Alaska, US | |
| Akutan Island | Akutanax̂ | Fox Islands | | 129.0 | 1,027 | 54°07′41″N 165°55′05″W﻿ / ﻿54.12806°N 165.91806°W﻿ / 54.12806; -165.91806 | Aleutians East Census Area, Alaska, US | |
| Alaid Island | Igingiinax̂ | Near Islands | Semichi Islands | 2.8 | | 52°45′46″N 173°53′53″E﻿ / ﻿52.76278°N 173.89806°E﻿ / 52.76278; 173.89806 | Aleutians West Census Area, Alaska, US | |
| Amak Island | Amax | Fox Islands | | 5.8 | 0 | 55°25′06″N 163°08′38″W﻿ / ﻿55.41833°N 163.14389°W﻿ / 55.41833; -163.14389 | Aleutians East Census Area, Alaska, US | |
| Amaknak Island | Amaxnax̂ | Fox Islands | | 3.3 | 2,524 | 53°54′37″N 166°32′12″W﻿ / ﻿53.91028°N 166.53667°W﻿ / 53.91028; -166.53667 | Aleutians West Census Area, Alaska, US | |
| Amatignak Island | Amatignax̂ | Andreanof Islands | Delarof Islands | 13.1 | 0 | 51°15′44″N 179°06′31″W﻿ / ﻿51.26222°N 179.10861°W﻿ / 51.26222; -179.10861 | Aleutians West Census Area, Alaska, US | The southernmost point of Alaska |
| Amchitka Island | Amchixtax̂ | Rat Islands | | 116.0 | 0 | 51°32′32″N 178°59′00″E﻿ / ﻿51.54222°N 178.98333°E﻿ / 51.54222; 178.98333 | Aleutians West Census Area, Alaska, US | Site of underground nuclear weapons tests |
| Amlia Island | Amlax | Andreanof Islands | | 180.0 | | 52°05′08″N 173°32′56″W﻿ / ﻿52.08556°N 173.54889°W﻿ / 52.08556; -173.54889 | Aleutians West Census Area, Alaska, US | |
| Amukta Island | Amuux̂tax̂ | Islands of Four Mountains | | 19.8 | | 52°29′10″N 171°15′08″W﻿ / ﻿52.48611°N 171.25222°W﻿ / 52.48611; -171.25222 | Aleutians West Census Area, Alaska, US | |
| Anagaksik Island | Anagaxsax̂ | Andreanof Islands | | 0.2 | | 51°51′03″N 175°53′31″W﻿ / ﻿51.85083°N 175.89194°W﻿ / 51.85083; -175.89194 | Aleutians West Census Area, Alaska, US | |
| Anangula Island | | Fox Islands | | 0.6 | | 53°00′02″N 168°54′40″W﻿ / ﻿53.00056°N 168.91111°W﻿ / 53.00056; -168.91111 | Aleutians West Census Area, Alaska, US | Also known as Ananiuliak Island |
| Anglamax | | Andreanof Islands | | 0.3 | | 51°44′08″N 176°30′55″W﻿ / ﻿51.73556°N 176.51528°W﻿ / 51.73556; -176.51528 | Aleutians West Census Area, Alaska, US | |
| Argonne Island | | Andreanof Islands | | 0.2 | | 51°48′16″N 176°47′20″W﻿ / ﻿51.80444°N 176.78889°W﻿ / 51.80444; -176.78889 | Aleutians West Census Area, Alaska, US | |
| Asuksak Island | Hasux̂sax̂ | Andreanof Islands | | 0.5 | | 51°56′02″N 176°05′32″W﻿ / ﻿51.93389°N 176.09222°W﻿ / 51.93389; -176.09222 | Aleutians West Census Area, Alaska, US | |
| Atka Island | Atx̂ax̂ | Andreanof Islands | | 404.6 | 95 | 52°08′17″N 174°26′43″W﻿ / ﻿52.13806°N 174.44528°W﻿ / 52.13806; -174.44528 | Aleutians West Census Area, Alaska, US | |
| Attu Island | Atan | Near Islands | | 344.7 | 0 | 52°54′09″N 172°54′34″E﻿ / ﻿52.90250°N 172.90944°E﻿ / 52.90250; 172.90944 | Aleutians West Census Area, Alaska, US | Largest unpopulated island in the United States, occupied by Japan during World War II |
| Avatanak Island | Agutanax̂ | Fox Islands | Krenitzin Islands | 13.8 | 0 | 54°04′18″N 165°18′14″W﻿ / ﻿54.07167°N 165.30389°W﻿ / 54.07167; -165.30389 | Aleutians East Census Area, Alaska, US | |
| Aziak Island | Haazax | Andreanof Islands | | 0.6 | 0 | 51°57′02″N 176°09′23″W﻿ / ﻿51.95056°N 176.15639°W﻿ / 51.95056; -176.15639 | Aleutians West Census Area, Alaska, US | |
| Bering Island (Russian: остров Беринга) | | Commander Islands | | 1,036.0 | 676 | 55°00′03″N 166°16′23″E﻿ / ﻿55.00083°N 166.27306°E﻿ / 55.00083; 166.27306 | Aleutsky District, Kamchatka Krai, RU | The only inhabited island in the Aleutsky District |
| Bird Island | Kitnamax | Fox Islands | | 0.1 | | 54°40′03″N 163°17′22″W﻿ / ﻿54.66750°N 163.28944°W﻿ / 54.66750; -163.28944 | Aleutians East Census Area, Alaska, US | |
| Bird Rock | | Rat Islands | | 0.1 | | 51°39′38″N 178°38′14″E﻿ / ﻿51.66056°N 178.63722°E﻿ / 51.66056; 178.63722 | Aleutians West Census Area, Alaska, US | |
| Bobrof Island | Walĝa | Andreanof Islands | | 3.0 | | 51°54′30″N 177°26′20″W﻿ / ﻿51.90833°N 177.43889°W﻿ / 51.90833; -177.43889 | Aleutians West Census Area, Alaska, US | |
| Bogoslof Island | Aĝasaaĝux̂ | Fox Islands | | 0.5 | 0 | 53°55′38″N 168°02′04″W﻿ / ﻿53.92722°N 168.03444°W﻿ / 53.92722; -168.03444 | Aleutians West Census Area, Alaska, US | Sanctuary for sea lions and nesting marine birds |
| Bolshoi Island | Tanax̂ Angunax̂ | Andreanof Islands | | 0.3 | | 52°11′47″N 174°10′43″W﻿ / ﻿52.19639°N 174.17861°W﻿ / 52.19639; -174.17861 | Aleutians West Census Area, Alaska, US | |
| Buck Island | Ukdax̂sxix | Fox Islands | | 0.1 | | 53°28′39″N 167°11′55″W﻿ / ﻿53.47750°N 167.19861°W﻿ / 53.47750; -167.19861 | Aleutians West Census Area, Alaska, US | |
| Buldir Island | Idmaax | N/A | | 7.5 | 0 | 52°21′29″N 175°55′29″E﻿ / ﻿52.35806°N 175.92472°E﻿ / 52.35806; 175.92472 | Aleutians West Census Area, Alaska, US | |
| Carlisle Island | Kigalĝa | Islands of Four Mountains | | 16.7 | | 52°53′38″N 170°03′15″W﻿ / ﻿52.89389°N 170.05417°W﻿ / 52.89389; -170.05417 | Aleutians West Census Area, Alaska, US | |
| Caton Island | Qagan Unimgix̂ | Fox Islands | Sanak Islands | 7.4 | | 54°23′42″N 162°26′02″W﻿ / ﻿54.39500°N 162.43389°W﻿ / 54.39500; -162.43389 | Aleutians East Census Area, Alaska, US | |
| Chagulak Island | Chugaaĝinax̂ | Islands of Four Mountains | | 3.7 | 0 | 52°34′20″N 171°08′29″W﻿ / ﻿52.57222°N 171.14139°W﻿ / 52.57222; -171.14139 | Aleutians West Census Area, Alaska, US | |
| Chisak Island | Hatmax | Andreanof Islands | | 0.2 | | 51°47′41″N 176°08′28″W﻿ / ﻿51.79472°N 176.14111°W﻿ / 51.79472; -176.14111 | Aleutians West Census Area, Alaska, US | |
| Chuginadak Island | Tanax̂ Angunax̂ | Islands of Four Mountains | | 64.0 | 0 | 52°50′41″N 169°49′05″W﻿ / ﻿52.84472°N 169.81806°W﻿ / 52.84472; -169.81806 | Aleutians West Census Area, Alaska, US | |
| Chugul Island | Chiĝulax̂ | Andreanof Islands | | 6.6 | | 51°56′37″N 175°49′14″W﻿ / ﻿51.94361°N 175.82056°W﻿ / 51.94361; -175.82056 | Aleutians West Census Area, Alaska, US | |
| Crone Island | | Andreanof Islands | | 0.4 | | 51°40′20″N 176°38′05″W﻿ / ﻿51.67222°N 176.63472°W﻿ / 51.67222; -176.63472 | Aleutians West Census Area, Alaska, US | |
| Davidof Island | Qanan-tanax | Rat Islands | | 1.3 | | 51°57′36″N 178°20′03″E﻿ / ﻿51.96000°N 178.33417°E﻿ / 51.96000; 178.33417 | Aleutians West Census Area, Alaska, US | |
| Deer Island | Animin | Fox Islands | | 58.6 | 0 | 54°54′43″N 162°19′34″W﻿ / ﻿54.91194°N 162.32611°W﻿ / 54.91194; -162.32611 | Aleutians East Census Area, Alaska, US | |
| Dora Island | | Andreanof Islands | | 0.5 | | 51°48′43″N 176°47′30″W﻿ / ﻿51.81194°N 176.79167°W﻿ / 51.81194; -176.79167 | Aleutians West Census Area, Alaska, US | |
| Egg Island | Ugalĝa | Fox Islands | | 0.5 | 0 | 53°51′46″N 166°02′38″W﻿ / ﻿53.86278°N 166.04389°W﻿ / 53.86278; -166.04389 | Aleutians West Census Area, Alaska, US | One of two different islands named Egg Island |
| Egg Island | Alim-tanaa | Andreanof Islands | | 0.2 | | 52°10′30″N 174°26′36″W﻿ / ﻿52.17500°N 174.44333°W﻿ / 52.17500; -174.44333 | Aleutians West Census Area, Alaska, US | One of two different islands named Egg Island |
| Elf Island | | Andreanof Islands | | 1.2 | | 51°42′30″N 176°31′59″W﻿ / ﻿51.70833°N 176.53306°W﻿ / 51.70833; -176.53306 | Aleutians West Census Area, Alaska, US | |
| Emerald Island | | Fox Islands | | 0.2 | | 53°17′20″N 167°51′29″W﻿ / ﻿53.28889°N 167.85806°W﻿ / 53.28889; -167.85806 | Aleutians West Census Area, Alaska, US | |
| Gareloi Island | Anangusix̂ | Andreanof Islands | Delarof Islands | 26.0 | 0 | 51°47′09″N 178°47′56″W﻿ / ﻿51.78583°N 178.79889°W﻿ / 51.78583; -178.79889 | Aleutians West Census Area, Alaska, US | |
| Great Sitkin Island | Stitxinax̂̂ | Andreanof Islands | | 60.0 | | 52°03′29″N 176°07′10″W﻿ / ﻿52.05806°N 176.11944°W﻿ / 52.05806; -176.11944 | Aleutians West Census Area, Alaska, US | |
| Gull Island | | Fox Islands | | 0.1 | | 53°40′07″N 166°49′03″W﻿ / ﻿53.66861°N 166.81750°W﻿ / 53.66861; -166.81750 | Aleutians West Census Area, Alaska, US | |
| Hawadax Island | Hawadax | Rat Islands | | 10.7 | | 51°48′09″N 178°17′51″E﻿ / ﻿51.80250°N 178.29750°E﻿ / 51.80250; 178.29750 | Aleutians West Census Area, Alaska, US | |
| Herbert Island | Chiĝulax | Islands of Four Mountains | | 21.0 | | 52°45′11″N 170°07′10″W﻿ / ﻿52.75306°N 170.11944°W﻿ / 52.75306; -170.11944 | Aleutians West Census Area, Alaska, US | |
| Hog Island | Uknadax | Fox Islands | | 0.2 | | 53°54′13″N 166°34′25″W﻿ / ﻿53.90361°N 166.57361°W﻿ / 53.90361; -166.57361 | Aleutians West Census Area, Alaska, US | |
| Igitkin Island | Igitxix̂ | Andreanof Islands | | 8.2 | | 51°58′55″N 175°53′44″W﻿ / ﻿51.98194°N 175.89556°W﻿ / 51.98194; -175.89556 | Aleutians West Census Area, Alaska, US | |
| Ikiginak Island | Ikiiĝinax̂ | Andreanof Islands | | 0.2 | | 51°58′39″N 175°29′28″W﻿ / ﻿51.97750°N 175.49111°W﻿ / 51.97750; -175.49111 | Aleutians West Census Area, Alaska, US | |
| Ilak Island | Iilax̂ | Andreanof Islands | Delarof Islands | 0.5 | 0 | 51°28′40″N 178°17′14″W﻿ / ﻿51.47778°N 178.28722°W﻿ / 51.47778; -178.28722 | Aleutians West Census Area, Alaska, US | |
| Kagalaska Island | Qigalaxsix̂ | Andreanof Islands | | 44.9 | | 51°48′06″N 176°21′28″W﻿ / ﻿51.80167°N 176.35778°W﻿ / 51.80167; -176.35778 | Aleutians West Census Area, Alaska, US | |
| Kagamil Island | Qagaamila | Islands of Four Mountains | | 16.8 | | 52°59′35″N 169°42′43″W﻿ / ﻿52.99306°N 169.71194°W﻿ / 52.99306; -169.71194 | Aleutians West Census Area, Alaska, US | |
| Kaligagan Island | Qisxagan | Fox Islands | Krenitzin Islands | 0.3 | 0 | 54°08′33″N 164°54′49″W﻿ / ﻿54.14250°N 164.91361°W﻿ / 54.14250; -164.91361 | Aleutians East Census Area, Alaska, US | |
| Kanaga Island | Kanaga | Andreanof Islands | | 142.0 | | 51°44′21″N 177°26′38″W﻿ / ﻿51.73917°N 177.44389°W﻿ / 51.73917; -177.44389 | Aleutians West Census Area, Alaska, US | |
| Kanu Island | Yunax̂ | Andreanof Islands | | 1.4 | | 51°56′28″N 176°02′37″W﻿ / ﻿51.94111°N 176.04361°W﻿ / 51.94111; -176.04361 | Aleutians West Census Area, Alaska, US | |
| Kasatochi Island | Qanan-tanax | Andreanof Islands | | 2.0 | 0 | 52°10′17″N 175°31′06″W﻿ / ﻿52.17139°N 175.51833°W﻿ / 52.17139; -175.51833 | Aleutians West Census Area, Alaska, US | |
| Kavalga Island | Qawalĝa | Andreanof Islands | Delarof Islands | 5.6 | 0 | 51°33′19″N 178°48′07″E﻿ / ﻿51.55528°N 178.80194°E﻿ / 51.55528; 178.80194 | Aleutians West Census Area, Alaska, US | |
| Khvostof Island | Atanax̂ | Rat Islands | | 0.9 | | 51°58′50″N 178°16′36″E﻿ / ﻿51.98056°N 178.27667°E﻿ / 51.98056; 178.27667 | Aleutians West Census Area, Alaska, US | |
| Kigul Island | Kiigalux̂ | Fox Islands | | 0.2 | | 53°02′49″N 168°26′43″W﻿ / ﻿53.04694°N 168.44528°W﻿ / 53.04694; -168.44528 | Aleutians West Census Area, Alaska, US | |
| Kiska Island | Qisxa | Rat Islands | | 107.2 | 0 | 51°57′51″N 177°27′36″E﻿ / ﻿51.96417°N 177.46000°E﻿ / 51.96417; 177.46000 | Aleutians West Census Area, Alaska, US | Occupied by Japan during World War II |
| Koniuji Island | Tanĝimax | Andreanof Islands | | 0.4 | 0 | 51°59′16″N 176°35′30″W﻿ / ﻿51.98778°N 176.59167°W﻿ / 51.98778; -176.59167 | Aleutians West Census Area, Alaska, US | |
| Kudiakof Islands | | Fox Islands | | 4.5 | | 55°20′58″N 162°52′16″W﻿ / ﻿55.34944°N 162.87111°W﻿ / 55.34944; -162.87111 | Aleutians East Census Area, Alaska, US | Two barrier islands outlining the Izembek Lagoon |
| Little Kiska Island | Kangxhix̂ | Rat Islands | | 2.9 | | 51°57′06″N 177°39′15″E﻿ / ﻿51.95167°N 177.65417°E﻿ / 51.95167; 177.65417 | Aleutians West Census Area, Alaska, US | |
| Little Sitkin Island | Sitignax̂ | Rat Islands | | 24.3 | | 51°56′55″N 178°30′15″E﻿ / ﻿51.94861°N 178.50417°E﻿ / 51.94861; 178.50417 | Aleutians West Census Area, Alaska, US | |
| Little Tanaga Island | Tanagax̂ | Andreanof Islands | | 26.7 | | 51°50′37″N 176°09′51″W﻿ / ﻿51.84361°N 176.16417°W﻿ / 51.84361; -176.16417 | Aleutians West Census Area, Alaska, US | |
| Medny Island (Russian: остров Медный) | | Commander Islands | | 72.0 | 0 | 54°42′24″N 167°43′02″E﻿ / ﻿54.70667°N 167.71722°E﻿ / 54.70667; 167.71722 | Aleutsky District, Kamchatka Krai, RU | |
| Nizki Island | Avayax̂ | Near Islands | Semichi Islands | 2.8 | 0 | 52°44′28″N 173°59′08″E﻿ / ﻿52.74111°N 173.98556°E﻿ / 52.74111; 173.98556 | Aleutians West Census Area, Alaska, US | |
| North Island | Chihngax̂ | Andreanof Islands | | 0.2 | | 51°50′04″N 176°47′48″W﻿ / ﻿51.83444°N 176.79667°W﻿ / 51.83444; -176.79667 | Aleutians West Census Area, Alaska, US | |
| Ogangen Island | | Fox Islands | | 1.1 | | 53°26′47″N 166°52′32″W﻿ / ﻿53.44639°N 166.87556°W﻿ / 53.44639; -166.87556 | Aleutians West Census Area, Alaska, US | |
| Ogliuga Island | Aglaga | Andreanof Islands | Delarof Islands | 1.9 | 0 | 51°36′22″N 178°39′23″E﻿ / ﻿51.60611°N 178.65639°E﻿ / 51.60611; 178.65639 | Aleutians West Census Area, Alaska, US | |
| Oglodak Island | Ungluudâ | Andreanof Islands | | 1.5 | 0 | 51°59′03″N 175°27′17″W﻿ / ﻿51.98417°N 175.45472°W﻿ / 51.98417; -175.45472 | Aleutians West Census Area, Alaska, US | |
| Peter Island | | Fox Islands | | 0.2 | | 53°41′38″N 166°50′31″W﻿ / ﻿53.69389°N 166.84194°W﻿ / 53.69389; -166.84194 | Aleutians West Census Area, Alaska, US | |
| Poa Island | Saduuĝinax̂ | Fox Islands | | 0.2 | | 54°07′38″N 165°29′59″W﻿ / ﻿54.12722°N 165.49972°W﻿ / 54.12722; -165.49972 | Aleutians East Census Area, Alaska, US | |
| Ringgold Island | Tanam Aduu | Andreanof Islands | | 0.6 | | 51°48′08″N 176°49′15″W﻿ / ﻿51.80222°N 176.82083°W﻿ / 51.80222; -176.82083 | Aleutians West Census Area, Alaska, US | |
| Rootok Island | Aayux̂tax̂ | Fox Islands | Krenitzin Islands | 5.2 | 0 | 54°02′41″N 165°31′55″W﻿ / ﻿54.04472°N 165.53194°W﻿ / 54.04472; -165.53194 | Aleutians East Census Area, Alaska, US | |
| Sadatanak Island | Sadan-tanax̂ | Andreanof Islands | | 0.5 | | 52°01′58″N 174°25′12″W﻿ / ﻿52.03278°N 174.42000°W﻿ / 52.03278; -174.42000 | Aleutians West Census Area, Alaska, US | |
| Sagchudak Island | Saĝuugax̂ | Andreanof Islands | | 0.8 | | 52°01′17″N 174°29′26″W﻿ / ﻿52.02139°N 174.49056°W﻿ / 52.02139; -174.49056 | Aleutians West Census Area, Alaska, US | |
| Salt Island | Uladax | Andreanof Islands | | 0.5 | | 52°10′19″N 174°38′26″W﻿ / ﻿52.17194°N 174.64056°W﻿ / 52.17194; -174.64056 | Aleutians West Census Area, Alaska, US | |
| Samalga Island | Samalĝa | Fox Islands | | 1.8 | 0 | 52°47′00″N 169°12′17″W﻿ / ﻿52.78333°N 169.20472°W﻿ / 52.78333; -169.20472 | Aleutians West Census Area, Alaska, US | |
| Sanak Island | Sanaĝax | Fox Islands | Sanak Islands | 45.6 | 0 | 54°25′47″N 162°42′32″W﻿ / ﻿54.42972°N 162.70889°W﻿ / 54.42972; -162.70889 | Aleutians East Census Area, Alaska, US | |
| Sea Otter Rocks (Russian: Камни Бобровые) | | Commander Islands | | 0.2 | 0 | 54°52′33″N 167°26′08″E﻿ / ﻿54.87583°N 167.43556°E﻿ / 54.87583; 167.43556 | Aleutsky District, Kamchatka Krai, RU | |
| Sedanka Island | Sidaanax̂ | Fox Islands | | 39.9 | 0 | 53°47′00″N 166°11′29″W﻿ / ﻿53.78333°N 166.19139°W﻿ / 53.78333; -166.19139 | Aleutians West Census Area, Alaska, US | |
| Seguam Island | Saĝuugamax | Andreanof Islands | | 80.0 | 1 | 52°19′24″N 172°27′58″W﻿ / ﻿52.32333°N 172.46611°W﻿ / 52.32333; -172.46611 | Aleutians West Census Area, Alaska, US | |
| Segula Island | Chiĝulax̂ | Rat Islands | | 13.3 | | 52°01′21″N 178°07′58″E﻿ / ﻿52.02250°N 178.13278°E﻿ / 52.02250; 178.13278 | Aleutians West Census Area, Alaska, US | |
| Semisopochnoi Island | Unyax | Rat Islands | | 86.4 | 0 | 51°57′05″N 179°36′03″E﻿ / ﻿51.95139°N 179.60083°E﻿ / 51.95139; 179.60083 | Aleutians West Census Area, Alaska, US | Easternmost point in the United States by longitude |
| Shemya Island | Samiyax̂ | Near Islands | Semichi Islands | 5.9 | | 52°43′27″N 174°07′08″E﻿ / ﻿52.72417°N 174.11889°E﻿ / 52.72417; 174.11889 | Aleutians West Census Area, Alaska, US | |
| Skagul Island | Sxaĝulax̂ | Andreanof Islands | Delarof Islands | 1.7 | 0 | 51°35′51″N 178°35′17″E﻿ / ﻿51.59750°N 178.58806°E﻿ / 51.59750; 178.58806 | Aleutians West Census Area, Alaska, US | |
| Staten Island | Iluuĝix̂ Tanax̂ | Andreanof Islands | | 0.4 | | 51°47′54″N 176°47′02″W﻿ / ﻿51.79833°N 176.78389°W﻿ / 51.79833; -176.78389 | Aleutians West Census Area, Alaska, US | |
| Tagadak Island | Tanadax | Andreanof Islands | | 0.9 | | 51°57′23″N 176°00′24″W﻿ / ﻿51.95639°N 176.00667°W﻿ / 51.95639; -176.00667 | Aleutians West Census Area, Alaska, US | |
| Tagalak Island | Tagalax̂ | Andreanof Islands | | 5.7 | | 51°57′44″N 175°43′12″W﻿ / ﻿51.96222°N 175.72000°W﻿ / 51.96222; -175.72000 | Aleutians West Census Area, Alaska, US | |
| Tanadak Island | Tanaadax̂ | Andreanof Islands | Delarof Islands | 0.3 | 0 | 52°21′15″N 179°00′58″W﻿ / ﻿52.35417°N 179.01611°W﻿ / 52.35417; -179.01611 | Aleutians West Census Area, Alaska, US | One of three different islands in the Aleutians named Tanadak Island, the other two being less than 0.1 square miles |
| Tanaga Island | Tanax̂ax | Andreanof Islands | | 204.0 | 0 | 51°47′34″N 177°55′43″W﻿ / ﻿51.79278°N 177.92861°W﻿ / 51.79278; -177.92861 | Aleutians West Census Area, Alaska, US | |
| Tanaklak Island | Tanaqlax̂ | Andreanof Islands | | 1.5 | | 51°57′18″N 176°06′47″W﻿ / ﻿51.95500°N 176.11306°W﻿ / 51.95500; -176.11306 | Aleutians West Census Area, Alaska, US | |
| Tanax Angunax | | Andreanof Islands | | 0.2 | | 52°06′40″N 174°12′07″W﻿ / ﻿52.11111°N 174.20194°W﻿ / 52.11111; -174.20194 | Aleutians West Census Area, Alaska, US | One of three different islands in the Aleutians named Tanax Angunax, the other two being less than 0.1 square miles |
| Tan'gan | | Fox Islands | Baby Islands | 0.1 | | 53°59′50″N 166°03′52″W﻿ / ﻿53.99722°N 166.06444°W﻿ / 53.99722; -166.06444 | Aleutians West Census Area, Alaska, US | |
| Tidgituk Island | Aakutanas | Andreanof Islands | | 0.1 | | 51°38′00″N 178°00′34″W﻿ / ﻿51.63333°N 178.00944°W﻿ / 51.63333; -178.00944 | Aleutians West Census Area, Alaska, US | |
| Tigalda Island | Qigalĝan | Fox Islands | Krenitzin Islands | 35.0 | 0 | 54°05′48″N 165°03′27″W﻿ / ﻿54.09667°N 165.05750°W﻿ / 54.09667; -165.05750 | Aleutians East Census Area, Alaska, US | |
| Tufted Puffin Rock (Russian: Остров Топорков) | | Commander Islands | | 0.1 | 0 | 55°12′21″N 165°56′03″E﻿ / ﻿55.20583°N 165.93417°E﻿ / 55.20583; 165.93417 | Aleutsky District, Kamchatka Krai, RU | |
| Ugamak Island | Ugangax̂ | Fox Islands | Krenitzin Islands | 4.2 | 0 | 54°12′44″N 164°49′15″W﻿ / ﻿54.21222°N 164.82083°W﻿ / 54.21222; -164.82083 | Aleutians East Census Area, Alaska, US | |
| Ulak Island | | Andreanof Islands | | 0.2 | | 52°02′44″N 175°54′01″W﻿ / ﻿52.04556°N 175.90028°W﻿ / 52.04556; -175.90028 | Aleutians West Census Area, Alaska, US | One of two different islands named Ulak Island |
| Ulak Island | Uulax | Andreanof Islands | Delarof Islands | 12.1 | 0 | 51°21′54″N 178°56′50″W﻿ / ﻿51.36500°N 178.94722°W﻿ / 51.36500; -178.94722 | Aleutians West Census Area, Alaska, US | One of two different islands named Ulak Island |
| Uliaga Island | Ulaĝa | Islands of Four Mountains | | 3.4 | 0 | 53°03′58″N 169°46′00″W﻿ / ﻿53.06611°N 169.76667°W﻿ / 53.06611; -169.76667 | Aleutians West Census Area, Alaska, US | |
| Umak Island | Uhmax̂ | Andreanof Islands | | 14.3 | | 51°53′17″N 176°02′29″W﻿ / ﻿51.88806°N 176.04139°W﻿ / 51.88806; -176.04139 | Aleutians West Census Area, Alaska, US | |
| Umnak Island | Unmax | Fox Islands | | 686.0 | 18 | 53°13′26″N 168°25′55″W﻿ / ﻿53.22389°N 168.43194°W﻿ / 53.22389; -168.43194 | Aleutians West Census Area, Alaska, US | |
| Unalaska Island | Nawan-Alaxsxa | Fox Islands | | 1,051.0 | 5,638 | 53°40′24″N 166°38′54″W﻿ / ﻿53.67333°N 166.64833°W﻿ / 53.67333; -166.64833 | Aleutians West Census Area, Alaska, US | Home of the city of Unalaska, the most populous city in the Aleutians |
| Unalga Island | Unalĝa | Andreanof Islands | Delarof Islands | 0.9 | 0 | 51°34′49″N 179°02′45″E﻿ / ﻿51.58028°N 179.04583°E﻿ / 51.58028; 179.04583 | Aleutians West Census Area, Alaska, US | |
| Unalga Island | Unalĝa | Fox Islands | | 11.0 | 0 | 53°58′35″N 166°08′39″W﻿ / ﻿53.97639°N 166.14417°W﻿ / 53.97639; -166.14417 | Aleutians West Census Area, Alaska, US | |
| Unimak Island | Unimax | Fox Islands | | 1,571.4 | 35 | 54°46′06″N 164°11′12″W﻿ / ﻿54.76833°N 164.18667°W﻿ / 54.76833; -164.18667 | Aleutians East Census Area, Alaska, US | Largest island in the Aleutian islands, 9th largest island in the United States and the 134th largest island in the world |
| Uuyax | | Andreanof Islands | | 0.2 | | 51°57′55″N 175°38′28″W﻿ / ﻿51.96528°N 175.64111°W﻿ / 51.96528; -175.64111 | Aleutians West Census Area, Alaska, US | |
| Vsevidof Island | Uyagax̂ | Fox Islands | | 0.9 | | 52°58′48″N 168°28′14″W﻿ / ﻿52.98000°N 168.47056°W﻿ / 52.98000; -168.47056 | Aleutians West Census Area, Alaska, US | |
| Yunaska Island | Yunax̂sxa | Islands of Four Mountains | | 66.8 | 0 | 52°37′53″N 170°41′49″W﻿ / ﻿52.63139°N 170.69694°W﻿ / 52.63139; -170.69694 | Aleutians West Census Area, Alaska, US |