| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
3301  | Orumo Omoro,Orumo | Uganda, Northern Region Otuke District > Otuke > Otuke Town Council | populated place | N 2° 23′ 6'' | E 33° 21′ 30'' |
3302  | Oriso Oriso,Orozo | Uganda, Northern Region Arua District > Vurra County > Logiri | hill | N 2° 42′ 0'' | E 30° 54′ 0'' |
| 3303 | Orijini Orijini,Oringini | Uganda, Northern Region Yumbe District > Aringa County > Kei | populated place | N 3° 30′ 49'' | E 31° 8′ 32'' |
| 3304 | Oriebai Alebai,Oriebai | Uganda, Eastern Region Amuria District > Amuria County > Orungo | populated place | N 2° 5′ 0'' | E 33° 27′ 0'' |
| 3305 | Orani Olani,Orani | Uganda, Northern Region Maracha > Maracha County > Yivu | hill | N 3° 19′ 0'' | E 30° 59′ 0'' |
| 3306 | Oraba Oraba | Uganda, Northern Region Koboko District > Koboko County > Kuluba | populated place | N 3° 32′ 2'' | E 30° 53′ 21'' |
| 3307 | Opwateta Opwateta,Pweteta | Uganda, Eastern Region Butebo District > Butebo County > Opwateta | populated place | N 1° 15′ 0'' | E 33° 51′ 0'' |
| 3308 | Opot Apot,Opot | Uganda, Eastern Region Ngora District > Ngora County > Kobwin | populated place | N 1° 22′ 0'' | E 33° 40′ 0'' |
| 3309 | Opoi Opoi | Uganda, Northern Region Arua District > Vurra County > Ajia | hill | N 2° 50′ 43'' | E 31° 5′ 0'' |
| 3310 | Opit Opit | Uganda, Northern Region Oyam District > Oyam County > Ngai | hill | N 2° 35′ 18'' | E 32° 28′ 18'' |
| 3311 | Opio Opio | Uganda, Northern Region Amuru District > Kilak County > Lamogi | hill | N 2° 56′ 42'' | E 32° 3′ 26'' |
| 3312 | Oniangoli Oniangoli | Uganda, Northern Region Moyo District > West Moyo > Metu | mountain | N 3° 48′ 0'' | E 31° 50′ 0'' |
| 3313 | Ongunai Angunai,Ongunai | Uganda, Eastern Region Soroti District > Soroti > Kamuda | populated place | N 1° 46′ 53'' | E 33° 31′ 23'' |
| 3314 | Ongoratok Ngoratok,Ongoratok | Uganda, Eastern Region Soroti District > Soroti > Arapai | populated place | N 1° 46′ 26'' | E 33° 36′ 2'' |
| 3315 | Ongako Ongako,Ongoko | Uganda, Northern Region Omoro District > Omoro County > Ongako | populated place | N 2° 40′ 51'' | E 32° 14′ 21'' |
| 3316 | Ongariama Ngaliama,Ongariama | Uganda, Eastern Region Soroti District > Soroti > Tubur | populated place | N 1° 59′ 2'' | E 33° 29′ 19'' |
| 3317 | Omyemya Emyemya,Omyemya | Uganda, Eastern Region Amuria District > Kapelebyong > Kapelebyong | populated place | N 2° 13′ 0'' | E 33° 45′ 0'' |
| 3318 | Omunyir Omunyir,Omunyiri | Uganda, Eastern Region Amuria District > Amuria County > Morungatuny | populated place | N 2° 9′ 0'' | E 33° 29′ 0'' |
| 3319 | Omugo Omogo,Omugo | Uganda, Northern Region Arua District > Terego County > Omugo | populated place | N 3° 16′ 28'' | E 31° 6′ 51'' |
| 3320 | Omugenya Magenya,Omugenya | Uganda, Eastern Region Soroti District > Soroti > Gweri | populated place | N 1° 44′ 17'' | E 33° 44′ 50'' |
| 3321 | Omugei Amugei,Omugei | Uganda, Eastern Region Amuria District > Kapelebyong > Akoromit | populated place | N 2° 9′ 0'' | E 33° 47′ 0'' |
| 3322 | Omudoi Omodoi,Omudoi | Uganda, Eastern Region Katakwi District > Usuk > Omodoi | populated place | N 1° 48′ 54'' | E 33° 59′ 54'' |
| 3323 | Omubihembe Muembe,Omubihembe | Uganda, Western Region Ibanda > Ibanda > Keihangara | hill | S 0° 10′ 0'' | E 30° 37′ 0'' |
| 3324 | Omotoi Motoi,Omotoi | Uganda, Eastern Region Pallisa District > Pallisa County > Kameke | populated place | N 1° 19′ 0'' | E 33° 47′ 0'' |
| 3325 | Omoro Moru,Omoro | Uganda, Northern Region Omoro District > Omoro County > Odek | hill | N 2° 42′ 0'' | E 32° 44′ 0'' |
| 3326 | Omolotok Molotok,Omolotok | Uganda, Eastern Region Serere District > Kasilo > Pingire | populated place | N 1° 29′ 0'' | E 33° 23′ 0'' |
| 3327 | Omodoi Amunoi,Omodoi | Uganda, Eastern Region Amuria District > Kapelebyong > Acowa | populated place | N 2° 3′ 0'' | E 33° 48′ 0'' |
| 3328 | Omoce Omoce,Omoche | Uganda, Eastern Region Soroti District > Soroti > Tubur | populated place | N 1° 55′ 32'' | E 33° 29′ 50'' |
| 3329 | Omier Auu,Omier | Uganda, Northern Region Zombo District > Okoro County > Nyapea | hill | N 2° 31′ 0'' | E 30° 58′ 0'' |
| 3330 | Omid Omid,Omidi | Uganda, Northern Region Alebtong District > Moroto County > Amugo | populated place | N 2° 2′ 0'' | E 33° 21′ 0'' |
| 3331 | Ombachi Ombache,Ombachi | Uganda, Northern Region Arua District > Ayivu County > Manibe | populated place | N 3° 2′ 59'' | E 30° 56′ 36'' |
| 3332 | Omatikile Omatakire,Omatikile | Uganda, Eastern Region Soroti District > Soroti > Tubur | populated place | N 1° 57′ 9'' | E 33° 31′ 9'' |
3333  | Omanimani Akinyo,Kangole,Manimani,Omanimani,River Natakolem | Uganda, Northern Region Nakapiripirit District | stream | N 2° 29′ 53'' | E 34° 14′ 19'' |
| 3334 | Omagara Magara,Omagara | Uganda, Eastern Region Serere District > Serere County > Kateta | populated place | N 1° 27′ 0'' | E 33° 28′ 0'' |
| 3335 | Olwerai Lwerai,Olwerai | Uganda, Eastern Region Soroti District > Soroti > Kamuda | populated place | N 1° 42′ 57'' | E 33° 28′ 11'' |
| 3336 | Oluvu Olovu,Oluvu | Uganda, Northern Region Maracha > Maracha County > Kijomoro | hill | N 3° 11′ 0'' | E 30° 53′ 0'' |
| 3337 | Oluvu Olovu,Oluvu | Uganda, Northern Region Maracha > Maracha County > Oluvu | populated place | N 3° 11′ 48'' | E 30° 52′ 7'' |
| 3338 | Olunakoli Alunakoli,Olunakoli | Uganda, Eastern Region Kumi District > Kumi County > Nyero | hill | N 1° 27′ 0'' | E 33° 50′ 0'' |
| 3339 | Oloroi Aloloi,Oloroi | Uganda, Eastern Region Kaberamaido District > Kalaki County > Anyara | populated place | N 2° 1′ 0'' | E 33° 20′ 0'' |
| 3340 | Olio Kolyo,Olio | Uganda, Eastern Region Soroti District > Soroti > Kamuda | populated place | N 1° 46′ 6'' | E 33° 30′ 47'' |
| 3341 | Olelai Olelai,Olerayi | Uganda, Eastern Region Katakwi District > Usuk > Usuk | populated place | N 2° 2′ 0'' | E 33° 56′ 0'' |
| 3342 | Olekai Oleka,Olekai | Uganda, Eastern Region Amuria District > Amuria County > Asamuk | populated place | N 1° 55′ 31'' | E 33° 40′ 44'' |
| 3343 | Olecoi Olechoi,Olecoi | Uganda, Eastern Region Soroti District > Soroti > Katine | populated place | N 1° 52′ 35'' | E 33° 29′ 8'' |
| 3344 | Oleba Oleba,Oleiba | Uganda, Northern Region Maracha > Maracha County > Oleba | populated place | N 3° 17′ 58'' | E 30° 55′ 43'' |
| 3345 | Old Rom Old Rom | Uganda, Northern Region Kitgum District > Chua County > Orom | mountain | N 3° 22′ 33'' | E 33° 35′ 40'' |
| 3346 | Old Nariam Nariam,Old Nariam | Uganda, Eastern Region Katakwi District > Usuk > Ngariam | populated place | N 1° 55′ 45'' | E 34° 6′ 29'' |
| 3347 | Old Dufile Dufile Old Fort,Old Dufile | Uganda, Northern Region Moyo District > West Moyo > Dufile | populated place | N 3° 34′ 0'' | E 31° 58′ 0'' |
| 3348 | Okworo Akworo,Okworo | Uganda, Eastern Region Bukedea District > Bukedea County > Bukedea | populated place | N 1° 20′ 0'' | E 34° 6′ 0'' |
| 3349 | Okutomoro Okutomoro,Otukomoro | Uganda, Eastern Region Soroti District > Soroti > Asuret | hill | N 1° 36′ 28'' | E 33° 37′ 16'' |
| 3350 | Okusoma Okusoma | Uganda, Western Region Kasese District > Bukonjo > Kyarumba | peak | N 0° 19′ 2'' | E 29° 52′ 24'' |
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