| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
901  | Ianantsony  Ianantsony,Saint-Augustin,Sainte Augustine | Madagascar, Atsimo-Andrefana Toliara II District > Saint Augustin > Ianantsono | populated place | S 23° 33′ 0'' | E 43° 46′ 0'' |
902  | Ianankolana Fleuve | Madagascar, Sava | stream | S 12° 56′ 0'' | E 49° 50′ 0'' |
| 903 | Ianandrea | Madagascar, Anosy Betroka > Ianakafy > Ampandratolony | populated place | S 23° 18′ 0'' | E 45° 25′ 0'' |
| 904 | Ianandrarezo | Madagascar, Anosy Betroka > Bekorobo > Itroho | populated place | S 23° 51′ 0'' | E 45° 53′ 0'' |
| 905 | Ianandranto Ianadranto,Ianandranto | Madagascar, Menabe Manja > Beharona > Ianadranto | populated place | S 21° 43′ 0'' | E 44° 7′ 0'' |
| 906 | Ianamanga Rivière | Madagascar, Upper Matsiatra | stream | S 21° 29′ 0'' | E 46° 49′ 0'' |
| 907 | Ianamalemy | Madagascar, Vatovavy Region Mananjary > Mahela > Ambatosada | populated place | S 20° 56′ 0'' | E 48° 23′ 0'' |
| 908 | Ianama Ianama,Ianamalo | Madagascar, Anosy Betroka > Ianabinda > Sakasoa | populated place | S 23° 29′ 0'' | E 46° 7′ 0'' |
| 909 | Ianalamotra | Madagascar, Ihorombe Ivohibe > Antambohobe > Antanambao | populated place | S 22° 24′ 0'' | E 46° 47′ 0'' |
| 910 | Ianalabe Rivière | Madagascar, Betsiboka | stream | S 17° 9′ 0'' | E 47° 19′ 0'' |
| 911 | Ianakoty | Madagascar, Anosy Betroka > Bekorobo > Andalamby | populated place | S 23° 40′ 0'' | E 45° 50′ 0'' |
| 912 | Ianakony Rivière | Madagascar, Anosy | stream | S 24° 36′ 0'' | E 47° 11′ 0'' |
| 913 | Ianakondro | Madagascar, Atsimo-Atsinanana Farafangana > Ihorombe > Iharonga | populated place | S 23° 0′ 0'' | E 47° 34′ 0'' |
| 914 | Ianakondro | Madagascar, Atsimo-Andrefana Sakaraha District > Ambinany > Maninday I | populated place | S 22° 48′ 0'' | E 44° 56′ 0'' |
| 915 | Ianakondro Ianakondro,Lanakondro | Madagascar, Ihorombe Ihosy > Satrokala > Vohimalaza | populated place | S 22° 10′ 0'' | E 45° 37′ 0'' |
| 916 | Ianakomanary | Madagascar, Atsimo-Andrefana Benenitra > Ambalavato > Ambalavato | populated place | S 23° 34′ 0'' | E 45° 25′ 0'' |
| 917 | Ianakoano | Madagascar, Amoron'i Mania Ambatofinandrahana > Fenoarivo > Ianakona | populated place | S 20° 48′ 0'' | E 46° 46′ 0'' |
| 918 | Ianakazo | Madagascar, Atsimo-Andrefana | stream | S 21° 18′ 0'' | E 45° 33′ 0'' |
| 919 | Ianakazo | Madagascar, Upper Matsiatra Ikalamavony > Solila > Kirano | populated place | S 21° 24′ 0'' | E 46° 31′ 0'' |
| 920 | Ianakatsamby | Madagascar, Atsimo-Andrefana Betioky District > Tameantsoa > Anakatsamby | populated place | S 23° 42′ 0'' | E 44° 14′ 0'' |
| 921 | Ianakatra | Madagascar, Atsimo-Atsinanana | stream | S 23° 16′ 0'' | E 47° 0′ 0'' |
| 922 | Ianakaraka | Madagascar, Androy Bekily District > Ambahita > Soakibany | populated place | S 23° 54′ 0'' | E 45° 16′ 0'' |
| 923 | Ianakany Ianakany,Ianakony | Madagascar, Anosy Taolagnaro > Iaboakoho > Iaboakoho | populated place | S 24° 37′ 0'' | E 47° 10′ 0'' |
| 924 | Ianakandrarezo | Madagascar, Atsimo-Atsinanana Befotaka > Bekofafa Sud > Andioteny | populated place | S 23° 54′ 0'' | E 46° 43′ 0'' |
| 925 | Ianakandrarezo | Madagascar, Ihorombe Ihosy > Ranohira > Mariana | populated place | S 22° 36′ 0'' | E 45° 24′ 0'' |
| 926 | Ianakai | Madagascar, Anosy Betroka > Ianakafy > Ianakafy | populated place | S 23° 20′ 0'' | E 45° 27′ 0'' |
| 927 | Ianakafy | Madagascar, Androy Ambovombe District > Sihanamaro > Analahova Andranomaro | populated place | S 25° 11′ 0'' | E 45° 49′ 0'' |
| 928 | Ianakafo Ianakafo,Ianakafy | Madagascar, Anosy Amboasary > Amboasary-Atsimo > S.P.S.M. | populated place | S 25° 4′ 0'' | E 46° 22′ 0'' |
| 929 | Ianadroy Avaratra Ianadroy,Ianadroy Avaratra | Madagascar, Anosy Betroka > Betroka > Ianadroy Nord | populated place | S 23° 25′ 0'' | E 46° 7′ 0'' |
| 930 | Ianadranto Ianadranto,Ianadranto Riviere,Ianadranto Rivière,Ianandranta | Madagascar, Menabe | stream | S 21° 43′ 0'' | E 44° 8′ 0'' |
931  | Ianaditsotsa | Madagascar, Atsimo-Andrefana Ampanihy District > Itampolo > Ankitekiteke | hill | S 24° 24′ 0'' | E 43° 51′ 0'' |
| 932 | Ianadabokorota | Madagascar, Anosy Betroka > Analamary > Morarano | hill | S 23° 22′ 0'' | E 45° 43′ 0'' |
| 933 | Ianadabo | Madagascar, Menabe Morondava > Bemanonga > Ankirijifotsy | populated place | S 20° 23′ 0'' | E 44° 17′ 0'' |
| 934 | Ianadabo | Madagascar, Atsimo-Andrefana Morombe District > Befandriana Sud > Ampilokely | hill | S 22° 16′ 0'' | E 43° 59′ 0'' |
| 935 | Ianaboty Ianaboty,Lanaboty | Madagascar, Ihorombe Ihosy > Ranohira > Ranohira Basse | populated place | S 22° 26′ 0'' | E 45° 23′ 0'' |
| 936 | Ianaborona | Madagascar, Androy Ambovombe District > Imanombo > Antehalomboro | populated place | S 24° 22′ 0'' | E 45° 49′ 0'' |
| 937 | Ianaborona Ianaborana,Ianaborona | Madagascar, Vakinankaratra Antanifotsy > Antanifotsy > Mananetivohitra | populated place | S 19° 38′ 0'' | E 47° 16′ 0'' |
| 938 | Ianaboro | Madagascar, Ihorombe Ihosy > Irina > Ianaboro | populated place | S 22° 30′ 0'' | E 46° 8′ 0'' |
| 939 | Ianabora | Madagascar, Androy Beloha District > Kopoky > Betsako | populated place | S 25° 20′ 0'' | E 45° 14′ 0'' |
| 940 | Ianabinda | Madagascar, Anosy | stream | S 23° 31′ 0'' | E 45° 56′ 0'' |
| 941 | Ianabiana | Madagascar, Upper Matsiatra Isandra > Fanjakana > Antanimena Manody | populated place | S 20° 59′ 0'' | E 46° 45′ 0'' |
| 942 | Ianabeto Rivière | Madagascar, Atsimo-Andrefana | stream | S 23° 17′ 0'' | E 44° 21′ 0'' |
| 943 | Ianabandriky | Madagascar, Androy Bekily District > Maroviro > Marobory | populated place | S 23° 47′ 0'' | E 45° 25′ 0'' |
| 944 | Iampondra | Madagascar, Ihorombe Ivohibe > Maropaika > Maropaika | mountain | S 22° 40′ 0'' | E 47° 0′ 0'' |
| 945 | Iampanga | Madagascar, Atsinanana | stream | S 18° 40′ 0'' | E 48° 55′ 0'' |
| 946 | Iamote | Madagascar, Atsimo-Andrefana Ampanihy District > Androka > Lahitsitele | populated place | S 25° 13′ 0'' | E 44° 27′ 0'' |
| 947 | Iamirana | Madagascar, Atsimo-Atsinanana | stream | S 22° 45′ 0'' | E 47° 24′ 0'' |
| 948 | Iamina | Madagascar, Atsimo-Andrefana | stream | S 21° 56′ 0'' | E 44° 23′ 0'' |
| 949 | Iambotry | Madagascar, Ihorombe Ihosy > Ranohira > Ankiliabo Malio | mountain | S 22° 27′ 0'' | E 45° 14′ 0'' |
| 950 | Iambory | Madagascar, Androy Tsihombe > Antaritarika > Afotsifaly Est | populated place | S 25° 23′ 0'' | E 45° 46′ 0'' |
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