| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1451  | Iotry | Madagascar, Atsimo-Andrefana Betioky District > Tongobory > Ihotry | populated place | S 23° 31′ 0'' | E 44° 20′ 0'' |
| 1452 | Iorenjalsy | Madagascar, Upper Matsiatra Lalangina > Alatsinainy Ialamarina > Anjamambe | populated place | S 21° 30′ 0'' | E 47° 23′ 0'' |
| 1453 | Ioranjatsy Ioranjalsy,Ioranjatsy | Madagascar, Fitovinany Region Ikongo > Tolongoina > Andrambovato | populated place | S 21° 31′ 0'' | E 47° 26′ 0'' |
| 1454 | Iony | Madagascar, Androy Tsihombe > Tsihombe > Sihanamena Marolava Est | populated place | S 25° 20′ 0'' | E 45° 29′ 0'' |
1455  | Ionisy | Madagascar, Ihorombe | stream | S 22° 47′ 0'' | E 46° 38′ 0'' |
| 1456 | Ionisoa | Madagascar, Upper Matsiatra | stream | S 21° 23′ 0'' | E 46° 3′ 0'' |
| 1457 | Ioninarivo | Madagascar, Upper Matsiatra | stream | S 21° 14′ 0'' | E 45° 59′ 0'' |
| 1458 | Ioninarivo | Madagascar, Upper Matsiatra | stream | S 21° 2′ 0'' | E 46° 30′ 0'' |
| 1459 | Ionilahy Ionilahy,Onilahy | Madagascar, Fitovinany Region | stream | S 21° 46′ 0'' | E 47° 44′ 0'' |
| 1460 | Ionilahy | Madagascar, Fitovinany Region Manakara > Onilahy > Ionilahy | populated place | S 21° 43′ 0'' | E 47° 38′ 0'' |
| 1461 | Iondriky | Madagascar, Ihorombe Ivohibe > Ivohibe > Longoza | populated place | S 22° 37′ 0'' | E 46° 45′ 0'' |
| 1462 | Ionaivo Inaivo,Inanivo,Ionaivo | Madagascar, Ihorombe | stream | S 22° 56′ 0'' | E 46° 54′ 0'' |
| 1463 | Ionadria | Madagascar, Ihorombe Ihosy > Analaliry > Sakamana | populated place | S 22° 47′ 0'' | E 46° 16′ 0'' |
| 1464 | Ionadita | Madagascar, Upper Matsiatra Ambohimahasoa > Vohiposa > Sahamadio | populated place | S 21° 3′ 0'' | E 47° 11′ 0'' |
| 1465 | Iomindry | Madagascar, Upper Matsiatra Ambalavao > Iarintsena > Iharihary | populated place | S 21° 45′ 0'' | E 46° 51′ 0'' |
| 1466 | Iofika | Madagascar, Atsinanana | stream | S 19° 22′ 0'' | E 48° 40′ 0'' |
| 1467 | Iofika Ambinanyranovaky,Iofika | Madagascar, Analanjirofo Vavatenina > Miarinarivo > Anamborano | populated place | S 17° 41′ 0'' | E 49° 0′ 0'' |
| 1468 | Iofa | Madagascar, Atsinanana | stream | S 18° 47′ 0'' | E 48° 33′ 0'' |
| 1469 | Iobaka | Madagascar, Sofia | stream | S 15° 52′ 0'' | E 48° 12′ 0'' |
| 1470 | Ioalbambo Ioalbambo,Lohalambo Riviere,Lohalambo Rivière | Madagascar, Vakinankaratra | stream | S 19° 50′ 0'' | E 46° 50′ 0'' |
| 1471 | Intsaka Intsaka,Saka | Madagascar, Vatovavy Region | stream | S 21° 10′ 0'' | E 48° 2′ 0'' |
| 1472 | Intsaka | Madagascar, Vatovavy Region | stream | S 21° 2′ 0'' | E 47° 56′ 0'' |
| 1473 | Banc Intermédiaire Banc Intermediaire,Banc Intermédiaire,Intermediaire Bank | Madagascar, MG.03 | bank(s) | S 15° 11′ 0'' | E 46° 57′ 0'' |
| 1474 | Farihy Inosy Farihy Inosy,Lac Inosy | Madagascar, Sava | lake | S 13° 51′ 0'' | E 50° 8′ 0'' |
| 1475 | Inosy | Madagascar, Atsimo-Atsinanana Befotaka > Ranotsara Sud > Inosy | populated place | S 23° 40′ 0'' | E 46° 49′ 0'' |
1476  | Inongoa | Madagascar, Itasy Arivonimamo > Antenimbe > Antenimbe | hill | S 19° 14′ 0'' | E 47° 5′ 0'' |
| 1477 | Initeraha | Madagascar, Atsimo-Andrefana Betioky District > Betioky Atsimo > Ambatofotsy Est | populated place | S 23° 57′ 0'' | E 44° 38′ 0'' |
| 1478 | Ingolo Ingola,Ingolo | Madagascar, Amoron'i Mania | stream | S 20° 44′ 0'' | E 46° 6′ 0'' |
| 1479 | Ingaro Ingaro,Ingato | Madagascar, Upper Matsiatra Ambalavao > Fenoarivo > Ambondrobe | populated place | S 21° 36′ 0'' | E 46° 22′ 0'' |
1480  | Ingaro | Madagascar, Upper Matsiatra Ambalavao > Fenoarivo > Kilalo | locality | S 21° 34′ 0'' | E 46° 23′ 0'' |
| 1481 | Ingalana Ingalana,Ingalana Riviere,Ingalana Rivière | Madagascar, Vakinankaratra | stream | S 19° 28′ 0'' | E 46° 40′ 0'' |
| 1482 | Indroamitsaka | Madagascar, Sofia Mampikony > Ambodihazoambo > Ambodimanga II | populated place | S 16° 3′ 0'' | E 47° 53′ 0'' |
| 1483 | Indroamita | Madagascar, Vakinankaratra Antsirabe II > Antanambao > Indroamita | populated place | S 20° 1′ 0'' | E 47° 22′ 0'' |
| 1484 | Indranana | Madagascar, Fitovinany Region Manakara > Ambalavero > Lavakianja | hill | S 21° 52′ 0'' | E 47° 44′ 0'' |
| 1485 | Indonto | Madagascar, Atsimo-Atsinanana Vangaindrano > Ampasimalemy > Vohilava | populated place | S 23° 23′ 0'' | E 47° 35′ 0'' |
| 1486 | Îlot Indien Ilot Indien,L'Ilot Indien,L’Îlot Indien,Îlot Indien | Madagascar, Menabe | island | S 19° 48′ 0'' | E 44° 24′ 0'' |
| 1487 | Torak’ Indiana I'Indien Sandbar,I’Indien Sandbar,Torak' Indiana,Torak’ Indiana | Madagascar, MG.06 | bank(s) | S 19° 48′ 0'' | E 44° 0′ 0'' |
| 1488 | Inatobe | Madagascar, Analamanga Antananarivo-Atsimondrano > Antanetikely > Anjoma Fanamiana | hill | S 19° 7′ 0'' | E 47° 28′ 0'' |
| 1489 | Inanobe Inamobe,Inanobe | Madagascar, Vakinankaratra Faratsiho > Faravohitra > Andrefaninanobe | mountain | S 19° 30′ 0'' | E 47° 4′ 0'' |
| 1490 | Inanilaka Bas | Madagascar, Androy Ambovombe District > Sihanamaro > Ankazomanga | populated place | S 25° 12′ 0'' | E 45° 45′ 0'' |
| 1491 | Inango | Madagascar, Sofia Befandriana Avaratra > Antsakanalabe > Mahalina | populated place | S 15° 33′ 0'' | E 48° 17′ 0'' |
| 1492 | Inandy | Madagascar, Ihorombe Iakora > Ranotsara Nord > Ranotsarabe | populated place | S 22° 46′ 0'' | E 46° 39′ 0'' |
| 1493 | Inanavy | Madagascar, Atsimo-Andrefana Betioky District > Besely > Ananavy | populated place | S 23° 24′ 0'' | E 44° 23′ 0'' |
| 1494 | Inanarenana | Madagascar, Anosy Betroka > Nanarena Besakoa > Nanarena Besakoa | populated place | S 23° 39′ 0'' | E 45° 43′ 0'' |
| 1495 | Inanarena | Madagascar, Anosy Betroka > Bekorobo > Nanarena Antondrotsy | populated place | S 23° 52′ 0'' | E 45° 57′ 0'' |
| 1496 | Inanarena | Madagascar, Anosy Betroka > Mahabo > Ankeniheny | populated place | S 23° 37′ 0'' | E 46° 8′ 0'' |
| 1497 | Inanantonana Inanantonana,Inanatonana,Inantonanna | Madagascar, Vakinankaratra Mandoto > Ankazomiriotra > Antanetikely | populated place | S 19° 39′ 0'' | E 46° 37′ 0'' |
| 1498 | Inakatsa Ruisseau | Madagascar, Anosy | intermittent stream | S 24° 49′ 0'' | E 46° 26′ 0'' |
| 1499 | Imotombe Sud | Madagascar, Androy Ambovombe District > Sihanamaro > Imontombe | populated place | S 25° 13′ 0'' | E 45° 42′ 0'' |
| 1500 | Imorona | Madagascar, Vakinankaratra | stream | S 20° 15′ 0'' | E 46° 38′ 0'' |
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