- Baniaka, a stream in Province du Haut-Ogooue
- Baniengue, a stream in Province de l' Ogooue-Lolo
- Banvara, a stream in Province de l' Ogooue-Ivindo
- Banvong, a stream in Province de l' Estuaire
- Banvora, a stream in Province de l' Estuaire
- Banzao, a stream in Province de la Ngounie
- Banzogo, a stream in Province de l' Estuaire
- Banzoko, a stream in Province de la Ngounie
- Banzoro, a stream in Province de l' Estuaire
- Bapassaka, a stream in Province du Haut-Ogooue
- Bape, a stream in Province de l' Ogooue-Ivindo
- Bapotofi, a stream in Province de l' Ogooue-Ivindo
- Basea, a stream in Province de l' Ogooue-Ivindo
- Basoumbi, a stream in Province de l' Ogooue-Lolo
- Bassenga, a stream in Province de la Nyanga
- Batanganga, a stream in Province de l' Ogooue-Ivindo
- Batchinga, a stream in Province de l' Ogooue-Lolo
- Batombe, a stream in Province de la Nyanga
- Batsiengue, a stream in Province de la Ngounie
- Batsouaka, a stream in Province de la Ngounie
- Batsoutsou, a stream in Province de l' Ogooue-Lolo
- Bazama, a stream in Province de la Ngounie
- Bazoumou, a stream in Province du Woleu-Ntem
- Bebakie, a stream in Province de l' Ogooue-Ivindo
- Bebe, a stream in Province de l' Ogooue-Ivindo
- Befanza, a stream in Province du Haut-Ogooue
- Begue, a stream in Province du Woleu-Ntem
- Beigne, a stream in Province de l' Ogooue-Ivindo
- Bekeholo, a stream in Province de l' Ogooue-Ivindo
- Bekele, a stream in Province de l' Ogooue-Ivindo
- Bekouk, a stream in Province du Woleu-Ntem
- Bekoum, a stream in Province de l' Ogooue-Ivindo
- Bekounoe, a stream in Province de l' Ogooue-Ivindo
- Beladi, a stream in Province de l' Ogooue-Lolo
- Belimba, a stream in Province de l' Ogooue-Ivindo
- Belongo, a stream in Province de l' Ogooue-Ivindo
- Bemba, a stream in Province de la Nyanga
- Bembedibe, a stream in Province de l' Ogooue-Ivindo
- Lac Ogemoue, a lake in Province du Moyen-Ogooue
- Lac Ogognie, a lake in Province de l' Ogooue-Maritime
- Lac Ogombie, a lake in Province du Moyen-Ogooue
- Lac Ogondoue, a lake in Province du Moyen-Ogooue
- Maganga, an intermittent stream in Province de la Ngounie
- Maghanghassa, a stream in Province de l' Ogooue-Lolo
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- Magina, a stream in Province de la Ngounie
- Magnane, a stream in Province de la Nyanga
- Magogoyo, a stream in Province de la Nyanga
- Magotchi, a stream in Province de la Ngounie
- Maguessi, a stream
- Mahingedie, a stream in Province de l' Ogooue-Ivindo
- Mahouaca, a stream in Province du Moyen-Ogooue
- Makaga, a stream in Province du Woleu-Ntem
- Makak, a stream in Province de l' Estuaire
- Makala, a stream in Province du Woleu-Ntem
- Makama, a stream in Province du Moyen-Ogooue
- Makande, a stream in Province de l' Ogooue-Lolo
- Makaro, a stream in Province du Woleu-Ntem
- Makaya, a stream in Province de la Ngounie
- Make, a stream in Province du Woleu-Ntem
- Mako, a stream in Province du Woleu-Ntem
- Obi, a stream in Province de la Ngounie
- Obo, a stream in Province de la Ngounie
- Obout, a stream in Province du Woleu-Ntem
- Odjiga, a stream in Province du Haut-Ogooue
- Odouma, a stream in Province du Haut-Ogooue
- Offobou, a stream in Province de la Ngounie
- Offoubou, a stream in Province de la Ngounie
- Offoue, a stream
- Ogolole, a stream in Province de l' Ogooue-Maritime
- Ogooue, a stream
- Ogoudou, a stream in Province de la Ngounie
- Ogouya, a stream in Province de la Ngounie
- Ohaga, a stream in Province du Haut-Ogooue
- Ohao, a stream in Province du Woleu-Ntem
- Oibonko, a stream in Province de l' Ogooue-Lolo
- Oibounga, a stream in Province de la Ngounie
- Okale, a stream in Province de l' Ogooue-Ivindo
- Okano, a stream in Province du Moyen-Ogooue
- Okantchiei, a stream in Province du Haut-Ogooue
- Okaradjanga, a stream in Province du Haut-Ogooue
- Okoko, a distributary in Province de l' Ogooue-Maritime
- Okongo, a stream in Province de l' Ogooue-Ivindo
- Rapide Belasakima, a rapids in Province de l' Ogooue-Ivindo
- Rapide Obongo, a rapids in Province de l' Ogooue-Ivindo
- Rapides Okoto Bouloungou, a rapids in Province de la Nyanga
- Rapides de Makangolo, a rapids in Province du Haut-Ogooue
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