| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1801  | Iluli | Tanzania, Singida Manyoni District Council > Isseke | hill | S 6° 42′ 0'' | E 34° 44′ 0'' |
| 1802 | Ilowi | Tanzania, Dodoma Mpwapwa District Council > Mima | hill | S 6° 33′ 0'' | E 36° 5′ 0'' |
| 1803 | Ilomo | Tanzania, Songwe Songwe District > Kapalala | hill | S 8° 2′ 0'' | E 32° 34′ 0'' |
| 1804 | Ilomero | Tanzania, Tabora Nzega District Council > Milambo Itobo | hill | S 4° 44′ 0'' | E 32° 57′ 0'' |
| 1805 | Ilomba | Tanzania, Songwe Momba District Council > Chitete | hill | S 8° 47′ 0'' | E 32° 32′ 0'' |
| 1806 | Ilolo | Tanzania, Iringa Iringa Rural District > Migoli | hill | S 7° 5′ 0'' | E 35° 43′ 0'' |
| 1807 | Ilole Ilole | Tanzania, Dodoma Mpwapwa District Council > Ipera | hill | S 7° 8′ 0'' | E 36° 28′ 0'' |
| 1808 | Ilima Hill | Tanzania, Mbeya Rungwe District Council > Ilima | hill | S 9° 27′ 0'' | E 33° 41′ 0'' |
| 1809 | Ilege | Tanzania, Shinyanga Kahama Rural District > Bulungwa | hill | S 3° 57′ 0'' | E 32° 11′ 0'' |
| 1810 | Ilangala | Tanzania, Tanga Kilindi District > Pagwi | hill | S 5° 57′ 0'' | E 37° 10′ 0'' |
| 1811 | Ilalanguru | Tanzania, Songwe Mbozi District Council > Nambinzo | hill | S 8° 43′ 0'' | E 32° 37′ 0'' |
| 1812 | Ikusu Ikusu | Tanzania, Katavi Mpanda District > Mwese | hill | S 6° 0′ 0'' | E 30° 26′ 0'' |
| 1813 | Ikuse | Tanzania, Katavi Mpanda District > Mpandandogo | hill | S 5° 52′ 0'' | E 30° 43′ 0'' |
| 1814 | Ikuru Island | Tanzania, Mwanza | island | S 2° 15′ 0'' | E 32° 33′ 0'' |
| 1815 | Ikunwa | Tanzania, Dodoma Kongwa > Nghumbi | hill | S 6° 14′ 0'' | E 36° 49′ 0'' |
| 1816 | Ikungu | Tanzania, Mwanza Misungwi district > Misasi | hill | S 3° 0′ 0'' | E 33° 2′ 0'' |
| 1817 | Ikowe | Tanzania, Songwe Songwe District > Gua | hill | S 7° 43′ 0'' | E 32° 17′ 0'' |
| 1818 | Ikowa | Tanzania, Dodoma Chamwino > Msamalo | hill | S 6° 16′ 0'' | E 36° 12′ 0'' |
| 1819 | Ikore | Tanzania, Kilimanjaro Same District Council > Vumari | hill | S 4° 2′ 0'' | E 37° 53′ 0'' |
| 1820 | Ikondo Island | Tanzania, | island | S 2° 10′ 0'' | E 32° 7′ 0'' |
| 1821 | Ikoma | Tanzania, Mwanza Misungwi district > Kijima | hill | S 3° 3′ 0'' | E 33° 7′ 0'' |
| 1822 | Ikoka | Tanzania, Geita Chato District > Nyarutembo | hill | S 2° 55′ 0'' | E 31° 37′ 0'' |
| 1823 | Ijogo | Tanzania, Morogoro Gairo District Council > Chagongwe | mountain | S 6° 22′ 0'' | E 36° 51′ 0'' |
| 1824 | Ijogi | Tanzania, Dodoma Kongwa > Njoge | hill | S 5° 57′ 0'' | E 36° 42′ 0'' |
| 1825 | Ijirambo Island | Tanzania, Geita | island | S 2° 28′ 0'' | E 31° 51′ 0'' |
| 1826 | Iherehe | Tanzania, Mwanza Misungwi district > Ilujamate | hill | S 3° 2′ 0'' | E 32° 47′ 0'' |
| 1827 | Ihara Islands | Tanzania, Mara | islands | S 2° 11′ 0'' | E 32° 58′ 0'' |
| 1828 | Ihapula | Tanzania, Shinyanga Kahama Rural District > Idahina | hill | S 3° 53′ 0'' | E 32° 16′ 0'' |
| 1829 | Ihanga | Tanzania, Mwanza Kwimba District > Bupamwa | hill | S 3° 12′ 0'' | E 32° 59′ 0'' |
| 1830 | Igwamela | Tanzania, Tabora Nzega District Council > Mambali | hill | S 4° 42′ 0'' | E 32° 37′ 0'' |
| 1831 | Igwambishi | Tanzania, Tabora Nzega District Council > Utwigu | hill | S 4° 24′ 0'' | E 33° 6′ 0'' |
| 1832 | Igusule | Tanzania, Tabora Nzega District Council > Igusule | hill | S 4° 1′ 0'' | E 32° 49′ 0'' |
| 1833 | Igusa | Tanzania, Shinyanga Kahama Rural District > Idahina | hill | S 3° 53′ 0'' | E 32° 6′ 0'' |
| 1834 | Igumu | Tanzania, Tabora Nzega District Council > Wela | hill | S 4° 4′ 0'' | E 33° 19′ 0'' |
| 1835 | Igumangobo | Tanzania, Simiyu Maswa District > Mpindo | hill | S 3° 19′ 0'' | E 34° 5′ 0'' |
| 1836 | Igulu | Tanzania, Katavi Mlele District Council > Utende | hill | S 5° 56′ 0'' | E 31° 54′ 0'' |
| 1837 | Igula | Tanzania, Shinyanga Kahama Rural District > Bulungwa | hill | S 3° 58′ 0'' | E 32° 10′ 0'' |
| 1838 | Igombe | Tanzania, Tabora Sikonge District > Kisanga | hill | S 5° 36′ 0'' | E 32° 53′ 0'' |
| 1839 | Igolo | Tanzania, Simiyu Bariadi District Council > Mwadobana | hill | S 2° 35′ 0'' | E 34° 8′ 0'' |
| 1840 | Igogo | Tanzania, Tabora Igunga District Council > Mwamashiga | hill | S 4° 14′ 0'' | E 33° 45′ 0'' |
| 1841 | Iganyule | Tanzania, Iringa Mufindi District Council > Mbalamaziwa | hill | S 8° 36′ 0'' | E 35° 2′ 0'' |
| 1842 | Igali | Tanzania, Dodoma Chamwino > Zajilwa | hill | S 5° 24′ 0'' | E 36° 3′ 0'' |
| 1843 | Igaba | Tanzania, Geita | hill | S 3° 17′ 0'' | E 31° 24′ 0'' |
| 1844 | Ifunda | Tanzania, Dodoma Chamwino > Igandu | hill | S 6° 20′ 0'' | E 36° 12′ 0'' |
| 1845 | Ifiga | Tanzania, Iringa Iringa Rural District > Nyang’oro | hill | S 7° 21′ 0'' | E 35° 45′ 0'' |
| 1846 | Ifena | Tanzania, Rukwa Kalambo District Council > Sopa | hill | S 8° 36′ 0'' | E 31° 36′ 0'' |
| 1847 | Idunda | Tanzania, Mbeya Mbarali District > Luhanga | hill | S 8° 16′ 0'' | E 33° 38′ 0'' |
| 1848 | Idunda | Tanzania, Morogoro | hill | S 6° 20′ 0'' | E 36° 51′ 0'' |
| 1849 | Idonda | Tanzania, Ruvuma Songea District Council > Mahanje | hill | S 9° 54′ 0'' | E 35° 20′ 0'' |
| 1850 | Idale Idale | Tanzania, Iringa Kilolo District > Mahenge | hill | S 7° 17′ 0'' | E 36° 14′ 0'' |
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