| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
401  | Sizana | Namibia, Kavango West | locality | S 17° 44′ 23'' | E 18° 25′ 6'' |
402  | Siya Sia,Siia,Siya | Namibia, Kavango West | populated place | S 17° 52′ 12'' | E 19° 28′ 21'' |
| 403 | Situveli | Namibia, Kavango West | area | S 17° 48′ 28'' | E 18° 13′ 13'' |
| 404 | Sirondero | Namibia, Kavango West | area | S 17° 37′ 21'' | E 18° 9′ 36'' |
| 405 | Sindondora | Namibia, Kavango West | locality | S 17° 40′ 43'' | E 18° 17′ 0'' |
| 406 | Simanya Shimanje,Shimanya,Simanya | Namibia, Kavango West | populated place | S 17° 31′ 43'' | E 18° 31′ 31'' |
| 407 | Sikome | Namibia, Kavango West | area | S 17° 24′ 0'' | E 18° 1′ 0'' |
408  | Sekelreeks Sekelberg,Sekelreeks,Sichelberg | Namibia, Karas Region | mountain | S 27° 27′ 38'' | E 17° 10′ 15'' |
| 409 | Second Rocks Second Rock,Second Rocks,SecondRocks,Zweite Klippe | Namibia, Karas Region | rock | S 27° 13′ 36'' | E 15° 15′ 54'' |
| 410 | Schwarzrand Hanam Plateau,Schwarzrand | Namibia, | plateau | S 26° 0′ 0'' | E 17° 5′ 0'' |
| 411 | Schwarze Kuppen Schwarze Kopje,Schwarze Kuppen | Namibia, Kunene Region | mountains | S 18° 34′ 56'' | E 13° 44′ 56'' |
| 412 | Schwarzberg Schwartzerberg,Schwarzberg,Schwarzer Berg,Swartberg | Namibia, Karas Region | mountain elevation 852m | S 27° 51′ 6'' | E 19° 48′ 19'' |
| 413 | Schildkrötenberg Schildkrote,Schildkrotenberg,Schildkröte,Schildkrötenberg | Namibia, Khomas Region | mountain elevation 2194m | S 22° 44′ 55'' | E 17° 7′ 6'' |
| 414 | Sandhoek Cape Farilhao,Farilhao Point,Farilhao-Spitze,Sandhoek | Namibia, Erongo Region | point | S 22° 9′ 29'' | E 14° 17′ 9'' |
| 415 | Safarihoek | Namibia, Kunene Region | area | S 19° 11′ 0'' | E 15° 19′ 0'' |
| 416 | Ruuga Ruga,Ruhuga,Ruuga | Namibia, Kavango West | populated place | S 17° 52′ 38'' | E 19° 32′ 30'' |
| 417 | Rote Sandberg | Namibia, Karas Region | locality | S 26° 53′ 0'' | E 15° 36′ 0'' |
| 418 | Rote Berge Rote Berge,RoteBerge,Roteberg,Roteberge | Namibia, Karas Region | mountains elevation 795m | S 26° 41′ 55'' | E 15° 34′ 20'' |
| 419 | Bouvelskoen Bouvelskoen,Rooi Veldskoea,Rooi Veldskoen,Veldschoen | Namibia, Karas Region | populated place | S 28° 27′ 15'' | E 19° 51′ 36'' |
| 420 | Gatdam Gatdam,Roipan,Rooi Pan | Namibia, Karas Region | pan | S 26° 10′ 22'' | E 19° 47′ 59'' |
| 421 | Rooilepel Roi Lepel,Rooilepel,Rujlepel,Руйлепел | Namibia, Karas Region | mountain | S 28° 15′ 0'' | E 16° 39′ 0'' |
| 422 | Rocky Point Fort Rock Point,Guano Cape,Guano-Kap,Rocky Point | Namibia, Kunene Region | point | S 18° 59′ 41'' | E 12° 28′ 36'' |
| 423 | Rantberge Randgebirge,Rantberge | Namibia, Khomas Region | mountains | S 23° 39′ 38'' | E 16° 10′ 33'' |
| 424 | Quork | Namibia, Oshana Region | locality | S 18° 14′ 4'' | E 15° 55′ 34'' |
| 425 | Quartzhügel | Namibia, Khomas Region | locality | S 22° 35′ 52'' | E 17° 42′ 3'' |
| 426 | Pomba | Namibia, Kavango West | locality | S 17° 52′ 0'' | E 18° 54′ 0'' |
| 427 | Pionierspark  Pionierspark | Namibia, Khomas Region | section of populated place | S 22° 36′ 0'' | E 17° 3′ 51'' |
| 428 | Pelgrimsrust Pelgrimsrus,Pelgrimsrust,Pilgrimsrust | Namibia, Karas Region | populated place | S 28° 50′ 59'' | E 19° 4′ 20'' |
| 429 | Otjovasandu Rest Camp Otjovasando,Otjovasandu,Otjovasandu Rest Camp,OtjovasanduRestCamp,Otjovasondu,Otjovazandu | Namibia, Kunene Region | populated place | S 19° 15′ 4'' | E 14° 30′ 13'' |
| 430 | Otjovanatje | Namibia, Kunene Region | locality | S 17° 28′ 21'' | E 14° 17′ 18'' |
| 431 | Otjipateraberge Otjipateraberg,Otjipateraberge | Namibia, Erongo Region | mountains | S 22° 10′ 8'' | E 15° 43′ 9'' |
| 432 | Otjiparcherero | Namibia, Kunene Region | locality | S 17° 25′ 22'' | E 14° 15′ 2'' |
| 433 | Otjikusina Otjiauena,Otjikuina,Otjikusina,Otjiquena | Namibia, Kunene Region | populated place | S 17° 53′ 50'' | E 13° 56′ 3'' |
| 434 | Otjihorongo Reserve | Namibia, Erongo Region | reserve | S 21° 1′ 0'' | E 14° 57′ 0'' |
| 435 | Otjifo | Namibia, Kunene Region | locality | S 17° 24′ 31'' | E 14° 20′ 11'' |
| 436 | Otherewanda | Namibia, Kunene Region | locality | S 17° 26′ 45'' | E 14° 5′ 52'' |
| 437 | Otaviberge Otavi Mountains,Otaviberge | Namibia, Otjozondjupa Region | mountains | S 19° 37′ 43'' | E 17° 28′ 30'' |
| 438 | Oshituntu | Namibia, Oshana Region | locality | S 18° 10′ 47'' | E 15° 50′ 8'' |
| 439 | Orupembe Anabib,Orupemba,Orupembe | Namibia, Kunene Region | populated place | S 18° 9′ 31'' | E 12° 33′ 34'' |
| 440 | Oruauku Orauku,Oruaku,Oruauku | Namibia, Otjozondjupa Region | populated place | S 20° 21′ 25'' | E 17° 54′ 11'' |
| 441 | Oponono | Namibia, Oshana Region | locality | S 18° 9′ 33'' | E 15° 47′ 32'' |
| 442 | Oorlogskop Kriegskuppe,Oorlogskop | Namibia, Karas Region | mountain elevation 1136m | S 28° 42′ 18'' | E 19° 4′ 12'' |
| 443 | Onyekakowa | Namibia, Kunene Region | populated place | S 18° 26′ 55'' | E 14° 24′ 51'' |
| 444 | Onyarakaha Onjaraka,Onyarakaha | Namibia, Kunene Region | mountain elevation 1794m | S 17° 46′ 8'' | E 13° 33′ 33'' |
| 445 | Ondjuojonganga | Namibia, Kunene Region | locality | S 17° 25′ 34'' | E 14° 1′ 2'' |
| 446 | Ondjamba Ondjaba,Ondjamba | Namibia, Kavango West | area | S 17° 54′ 48'' | E 18° 1′ 4'' |
| 447 | Ondermatje Ondermaitje,Ondermatje,Ondermatjie | Namibia, Karas Region | populated place | S 28° 20′ 35'' | E 19° 25′ 29'' |
| 448 | Onaushe | Namibia, Omusati Region | locality | S 18° 5′ 0'' | E 15° 23′ 0'' |
| 449 | Onathindiko | Namibia, Omusati Region | locality | S 18° 23′ 46'' | E 15° 11′ 13'' |
| 450 | Onamutai Onamtai,Onamtayi,Onamutai | Namibia, Ohangwena Region | populated place | S 17° 41′ 6'' | E 15° 51′ 47'' |
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