| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1001  | Otjiyere Otjijere,Otjiyere | Namibia, Omaheke Region | populated place | S 21° 37′ 37'' | E 19° 34′ 54'' |
| 1002 | Otjiwetjombungu Otjivetjombungu,Otjiwetjombungu | Namibia, Omaheke Region | populated place | S 21° 20′ 30'' | E 19° 8′ 7'' |
1003  | Otjiveroberg Otjiveroberg | Namibia, Khomas Region | mountains elevation 1804m | S 22° 19′ 39'' | E 17° 55′ 6'' |
| 1004 | Otjivalunda Saltpan Number Two Otjivalunda Saltpan Number 2,Otjivalunda Saltpan Number Two | Namibia, | pan | S 18° 39′ 31'' | E 15° 36′ 30'' |
| 1005 | Otjivalunda Saltpan Number One Otjivalunda Saltpan Number 1,Otjivalunda Saltpan Number One | Namibia, | pan | S 18° 36′ 23'' | E 15° 32′ 48'' |
| 1006 | Otjiu Otjiu,Otju | Namibia, Kunene Region | populated place | S 18° 14′ 34'' | E 13° 14′ 53'' |
| 1007 | Otjirareni Otjirareni,Otjiraroni | Namibia, Kunene Region | populated place | S 18° 38′ 1'' | E 13° 21′ 11'' |
| 1008 | Otjipawaberge Otjipawaberge,Otjipaweberge | Namibia, Otjozondjupa Region | mountain elevation 1711m | S 20° 50′ 25'' | E 16° 17′ 36'' |
| 1009 | Otjindu Otjindu,Otjinduu | Namibia, Kunene Region | mountain | S 17° 43′ 7'' | E 13° 9′ 7'' |
1010  | Otjindjangi Marien,Marien River,Marienfluss,Otjindjangi,Otjinjange,Rio Santa Maria | Namibia, Kunene Region | intermittent stream | S 17° 12′ 0'' | E 12° 23′ 0'' |
| 1011 | Otjinanwa Otjinanwa,Otjonana | Namibia, Kunene Region | populated place | S 18° 36′ 57'' | E 13° 31′ 59'' |
| 1012 | Otjikoko | Namibia, Erongo Region | mountain elevation 2014m | S 21° 18′ 36'' | E 16° 22′ 38'' |
| 1013 | Otjihipa Mountains Otjihipa Mountains | Namibia, Kunene Region | mountains | S 17° 18′ 17'' | E 12° 40′ 55'' |
| 1014 | Otjihaveraberge Otjihaveraberge | Namibia, Otjozondjupa Region | mountains | S 22° 5′ 0'' | E 17° 6′ 0'' |
1015  | Osire Süd  Osire,Osire Sud,Osire Süd,Osiri Sud,Osiri Süd | Namibia, Otjozondjupa Region | farm | S 21° 1′ 8'' | E 17° 22′ 1'' |
| 1016 | Oshitayi Oshitaye,Oshitayi | Namibia, Oshikoto Region | populated place | S 17° 54′ 0'' | E 16° 1′ 0'' |
| 1017 | Oshittayi Oshitayi,Oshittayi,Oskitayi | Namibia, Oshana Region | populated place | S 17° 51′ 50'' | E 15° 59′ 31'' |
| 1018 | Oshimanya Oshimanya,Ushimanya | Namibia, Omusati Region | populated place | S 17° 54′ 48'' | E 15° 1′ 17'' |
| 1019 | Ortmansbaumoos Ortmansbaum Oos,OrtmansbaumOos,Ortmansbaumoos | Namibia, Karas Region | populated place | S 28° 17′ 2'' | E 18° 46′ 10'' |
| 1020 | Orotjitombo Orontjitombo,Orotjitombo | Namibia, Kunene Region | populated place | S 18° 0′ 38'' | E 13° 40′ 4'' |
| 1021 | Oranjemund Airport FYOG,OMD,Oranjemund | Namibia, Karas Region | airfield | S 28° 35′ 0'' | E 16° 26′ 0'' |
| 1022 | Onvati Onvati,Onvatiberge | Namibia, | hills | S 21° 56′ 45'' | E 17° 27′ 43'' |
| 1023 | Ongombombonde Onaombombonde,Ongombombonde | Namibia, Otjozondjupa Region | populated place | S 20° 34′ 27'' | E 17° 31′ 18'' |
| 1024 | Ondurakarume Ondurakarume,Ondurakrume | Namibia, Otjozondjupa Region | mountain elevation 1772m | S 20° 46′ 9'' | E 16° 15′ 22'' |
| 1025 | Ondundotjiyapa Ondundotjiuapa,Ondundotjivapa,Ondundotjiyapa | Namibia, Erongo Region | populated place | S 20° 44′ 46'' | E 15° 27′ 22'' |
| 1026 | Ondaanda Ondaanda,Ondanda | Namibia, Ohangwena Region | populated place | S 17° 30′ 0'' | E 16° 15′ 0'' |
| 1027 | Onanis Onanis,Onanisberg | Namibia, Erongo Region | mountain elevation 1639m | S 22° 45′ 27'' | E 15° 39′ 0'' |
| 1028 | Onanghulo Onanghulo,Onangulo | Namibia, Ohangwena Region | populated place | S 17° 32′ 56'' | E 15° 47′ 57'' |
| 1029 | Onamutene Onamutene,Ongula Netanga | Namibia, Oshikoto Region | populated place | S 17° 50′ 0'' | E 16° 10′ 0'' |
| 1030 | Omukondo Omukonda,Omukondo | Namibia, Omusati Region | populated place | S 17° 57′ 55'' | E 15° 5′ 38'' |
| 1031 | Omitara Omitara | Namibia, Omaheke Region | railroad station | S 22° 17′ 0'' | E 18° 1′ 0'' |
| 1032 | Omieveberg Dmieveberg,Omieveberg | Namibia, Khomas Region | mountain elevation 1894m | S 22° 2′ 58'' | E 17° 53′ 45'' |
| 1033 | Omburo Omburo,Omburo Mountains | Namibia, Otjozondjupa Region | mountain elevation 1875m | S 21° 32′ 21'' | E 16° 27′ 27'' |
| 1034 | Omburo Omburo | Namibia, Erongo Region | mountain elevation 1620m | S 21° 14′ 48'' | E 16° 14′ 4'' |
| 1035 | Omaazonga Omaazonga,Omaazongaku,Omauzongaka,Omauzongoka | Namibia, Erongo Region | populated place | S 20° 49′ 46'' | E 15° 13′ 49'' |
| 1036 | Omatjatjeva Omatjatjeva,Omutjatjewa | Namibia, Otjozondjupa Region | populated place | S 20° 39′ 0'' | E 17° 42′ 0'' |
| 1037 | Omatako Dam Omatako Dam | Namibia, Otjozondjupa Region | reservoir(s) | S 21° 9′ 56'' | E 17° 10′ 4'' |
| 1038 | Omaruru Eiseb,Omahora,Omaruru,Omaruru River | Namibia, | intermittent stream | S 22° 5′ 34'' | E 14° 15′ 21'' |
| 1039 | Omaihi Omaihi,Omeihei | Namibia, Otjozondjupa Region | populated place | S 20° 39′ 10'' | E 17° 46′ 2'' |
| 1040 | Oluvongo Oluvango,Oluvongo | Namibia, Omusati Region | populated place | S 17° 25′ 46'' | E 15° 4′ 32'' |
| 1041 | Oluno Oluno,Olunos | Namibia, Oshikoto Region | populated place | S 17° 43′ 0'' | E 16° 48′ 0'' |
| 1042 | Olifants Elefanten,Elefanten-Fluss,Elephant,Elephant River,Olifants,Olifantsrivier | Namibia, Hardap Region | intermittent stream | S 25° 27′ 28'' | E 19° 26′ 13'' |
| 1043 | Okorosava Okorosava,Okorosave,Okorosawe | Namibia, Kunene Region | populated place | S 18° 12′ 15'' | E 13° 47′ 22'' |
| 1044 | Okondjatu | Namibia, Otjozondjupa Region | populated place population 1,386 | S 20° 58′ 54'' | E 18° 13′ 27'' |
| 1045 | Okomutati Okomutati,Okumutati | Namibia, Kunene Region | populated place | S 18° 19′ 14'' | E 13° 7′ 15'' |
| 1046 | Okeserahi Number Two Okeserahi Number 2,Okeserahi Number Two | Namibia, Otjozondjupa Region | populated place | S 20° 49′ 55'' | E 18° 8′ 30'' |
| 1047 | Okavandje Okavandje,Okawani | Namibia, Kunene Region | populated place | S 17° 35′ 48'' | E 13° 48′ 39'' |
| 1048 | Okatumwama Okatumuama,Okatumwama | Namibia, Otjozondjupa Region | populated place | S 19° 42′ 23'' | E 18° 33′ 3'' |
| 1049 | Okatjsorui Okatj,Okatjsoroi,Okatjsorui | Namibia, Otjozondjupa Region | populated place | S 22° 7′ 0'' | E 17° 3′ 55'' |
| 1050 | Okatjiparango Okatjiparanga,Okatjiparango | Namibia, Otjozondjupa Region | populated place | S 19° 42′ 26'' | E 18° 34′ 35'' |
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