Cuyuni-Mazaruni

Cuyuni-Mazaruni merupakan sebuah region di Guyana. Region ini terletak di bagian barat negara itu. Ibu kotanya ialah Bartica. Region ini memiliki luas wilayah 47.213 km² dengan memiliki jumlah penduduk 17.597 jiwa (2002).

Komunitas 
 Ajimipepai
 Akar (Akar Village)
 Amamure Village (Amamuri Village)
 Amokokopai Village
 Apanachi
 Arau Village
 Arawai Village
 Arimu Mine
 Assura Village
 Aunama (Aunama Village)
 Aurora
 Awarabati
 Barakara
 Bartica (Barteke)
 Butakari (Butukari)
 Ekereku
 Enachu (Enachu Landing, Enachu Station)
 Golden Grove
 Hororabo
 Imbaimadai
 Issano
 Isseneru
 Kaikan
 Kalacoon (Kalakoon House, Kalakun, Kalkoon)
 Kamarang
 Kamaria
 Kamikusa
 Kamuda (Kamuda Village)
 Kartuni
 Kaywaek (Kaywaek Village)
 Keweigek
 Klip
 Kokadai
 Kowaeng (Kowaeng Village)
 Kurachi
 Kurutuku Village
 Kwiokrebaru
 Lower Kamaria
 Meruwang
 Minata
 Mongreppo
 Morowta
 Muriakundi (Muruakundi)
 Muruwawe Village
 Opadai
 Oranapai (Oranapai Landing, Oranopai)
 Paruima (Paruima Mission)
 Pathawaru
 Peters Mine
 Pipillipai
 Poterima
 Saint Edwards Mission
 Saint Marys
 The Clip
 Tumereng (Tumareng, Tumureng)
 Upper Kamaria
 Waioklepalul (Waioklepaluta Village)
 Waramadan (Waramadon Village)
 Wineperu
 Wolga

Region di Guyana