Regions of Guyana
- Bakurua River
- Bakrimani Creek
- Bakerewari River
- Bakerihana
- Baiwiawau River
- Baiwiawau Creek
- Baiwarri Creek
- Baiwarri Creek
- Baimakuru Creek
- Baiewau River
- Baidakuruwau River
- Baiabani Creek
- Mindenburg
- Bagotstown-Peters Hall Village District
- Bagotstown
- Baganara Island
- Bad Man Swamp
- Badiko Mountain
- Badawarin River
- Badarima Creek
- Bada Creek
- Bachelors Adventure
- Bachelors Adventure
- Number Sixty-four Babylon
- Baboon Island
- Baboon Hole
- Babekabanuku Creek
- Ayawa Creek
- Ayaputipu Mountain
- Ayanganna Mountain
- Awuni Creek
- Awiapi Creek
- Awendaparu Creek
- Awatuna Creek
- Awaruwau River
- Awaruwaunawa
- Awartun Island
- Awarra Comb
- Awarikuru River
- Awardiku Mountain
- Awarbiaru Creek
- Awaratain Mountain
- Awarapialli River
- Awaraballi River
- Awaraballi River
- Awalaparu Creek
- Awaitiparu Creek
- Awaipi Creek
- Ausowa River
- Aurora
- Aurora
- Aurora
- Aurora
- Aurituk Falls
- Auridiwau Creek
- Augsburg
- Augsburg
- Au Falls
- Audwarrapakka Creek
- Auchlyne
- Atuwa Falls
- Aturiapuru River
- Attibani Hill
- Attibani Creek
- Attai Village
- Atobobura Creek
- Atawa River
- Atawa Mountains
- Atarakuri Creek
- Ataraipu Rock
- Atamadpau
- Ataleiro River
- Atabu Creek
- Atabu Creek
- Assura Village
- Assura Island
- Assura Creek
- Assakata Amerindian Village
- Assakabura Creek
- Assakabuna Creek
- Assaikama Creek
- Asowari Creek
- Ashiru Falls
- Ashburner Creek
- Asakata River
- Aruta River
- Arunamai River
- Arukwat Mountain
- Aruka River
- Arukamai River
- Arukamai Hill
- Aruka Estate
- Aruka
- Aruau River
- Aruararua Falls
- Aruama Creek
- Aruama Creek
- Aruakabra Creek
- Aruaima Creek
- Aru
- Arthurville
- Art Fall
- Arrow Creek
- Arrowcane Creek
- Arrau Creek
- Arran Mountain
- Arramarri Fall
- Arowod Mountain
- Arota Creek
- Aroima Creek
- Arobobo Creek
- Arobaio River
- Arobaio Creek
- Arnik Village
- Arnik River
- Arnik River
- Armadale
- Ariwa Mountain
- Ariwaitawa Mountain
- Aritaka River
- Aritak Creek
- Aritaka Rapids
- Aritak
- Arisika
- Arisaw Creek
- Arisaru River
- Arisaru Mountains
- Arisaru Fall
- Arisaru River
- Arisaru Creek
- Arisaru
- Arisaru
- Arisarabo Creek
- Aripai Creek
- Arimu River
- Arimu Mine
- Arimishu River
- Arimishu Lake
- Arimeraktain Mountain
- Arimera-Kana Falls
- Arimai Island
- Arikonda Falls
- Arikiraba Mountain
- Arikara Falls
- Arikabuka Creek
- Ariera
- Ariaparo Creek
- Arian Island
- Areparu Creek
- Arenstyn
- Aremeraktau Mountains
- Archukuru Creek
- Archipelago
- Arcadia
- Arayuwa
- Arawau River
- Arawatta Creek
- Arawataparu River
- Arawari River
- Arawapai River
- Arawanta River
- Arawanapau
- Arrawak Matope Fall
- Arawak-Matope Creek
- Arawakai River
- Arawakabaro River
- Arawai River
- Arawadudana Creek
- Aratak River
- Arasika Creek
- Ararapira Point
- Arapiako River
- Arapari Lake
- Arapai River
- Arapaima Pond
- Arapai Creek
- Aranka River
- Aranka Creek
- Arangoy River
- Aranaputa Valley
- Arampa River
- Aramatta River
- Aramatau River
- Aramatani Creek
- Arama Creek
- Arakwa River
- Arakwai River
- Arakwai Outstation
- Arakwa Creek
- Arakwa
- Arakaka Landing
- Arakabusa Mama Fall
- Arakabusakuyaha Creek
- Arakabusa Creek
- Arahuria River
- Arabian Coast
- Arabagai Landing
- Arabagai Fall
- Apurkuni Creek
- Appurukuni River