| Name | Feature class |
| Bia Ata | sound |
| Bia Point | point |
| Biaboli | populated place |
| Biadekane | populated place |
| Biadi Creek | stream |
| Biadora Minato | harbor |
| Biaga | populated place |
| Biaka | populated place |
| Biaka | populated place |
| Biakane 2 | populated place |
| Biakane 3 | populated place |
| Biakane 4 | populated place |
| Biakane Number 2 | populated place |
| Biakane Number 3 | populated place |
| Biakane Number 4 | populated place |
| Biakane | populated place |
| Biakane | populated place |
| Biake 1 | populated place |
| Biake 2 | populated place |
| Biake Number 1 | populated place |
| Biake Number 2 | populated place |
| Biake | populated place |
| Bialao Island | island |
| Bialie | stream |
| Biambod | populated place |
| Biame River | stream |
| Biamu | populated place |
| Biananambu | populated place |
| Bianggau | populated place |
| Biano River | stream |
| Bianumbu | populated place |
| Bianumbui | populated place |
| Biapi'arata | populated place |
| Biapiarata | populated place |
| Biapim River | stream |
| Biara | populated place |
| Biaru River | stream |
| Biaru River | stream |
| Biaru | populated place |
| Biatava | populated place |
| Biauwa | populated place |
| Biauwa | populated place |
| Biawa Bay | bay |
| Biawaria | populated place |
| Biaweng | populated place |
| Biaweng | populated place |
| Bibe'ori | populated place |
| Bibera | populated place |
| Bibeu Point | point |
| Bibi | populated place |
| Bibia | populated place |
| Bibiorli Hills | hills |
| Bibira Number 1 | populated place |
| Bibira Number 2 | populated place |
| Bibira | populated place |
| Bibira | populated place |
| Bibiri River | distributary |
| Bibisa | populated place |
| Bibisi | populated place |
| Bibitan | populated place |
| Bibituri Creek | stream |
| Bibium | populated place |
| Bibiwa | populated place |
| Bibriari Number 1 | populated place |
| Bibriari Number 2 | populated place |
| Bibriari | populated place |
| Bibyun | populated place |
| Bidah | stream |
| Bidiesa | populated place |
| Bidiesi | populated place |
| Biding River | stream |
| Bidonagobu | populated place |
| Bidua | populated place |
| Bidullo Island | island |
| Biebiu Creek | stream |
| Biebo Creek | stream |
| Bien River | stream |
| Bien | populated place |
| Bienen Islands | islands |
| Bieng | populated place |
| Biengagaro | populated place |
| Bienggagoro | populated place |
| Bifo Creek | stream |
| Big Embi | lake |
| Big Gulu Mountain | cone |
| Big Limestone River | stream |
| Big Malumalu Island | island |
| Big Mount Gulu | cone |
| Big Mount Worri | cone |
| Big Ndrova Island | island |
| Big Pigeon Island | island |
| Big Wau Creek | stream |
| Biga Biga | populated place |
| Bigagu | populated place |
| Bigairuka | populated place |
| Bige Mission | mission |
| Bige | mission |
| Bigei River | stream |
| Bigei | populated place |
| Biges River | stream |
| Biglmeku | populated place |
| Bihai River | stream |
| Bihauwa Bay | bay |
| Biho Creek | stream |
| Biimba Lagoon | lake |
| Bikanggau | populated place |
| Bikim | populated place |
| Bil Bil Island | island |
| Bil Bil | populated place |
| Bil | populated place |
| Bil | populated place |
| Bilaf Creek | stream |
| Bilaga | populated place |
| Bilalu | island |
| Bilama | populated place |
| Bilami | populated place |
| Bilanpun | populated place |
| Bilau Bay | cove |
| Bilau | populated place |
| Bilbil | populated place |
| Bilga | populated place |
| Bili Bili Island | island |
| Bili Bili | populated place |
| Bili Creek | stream |
| Bilia Creek | stream |
| Biliang River | stream |
| Biliau Mission | populated place |
| Biliau Village | populated place |
| Bilihe Island | island |
| Biliku Island | island |
| Bilimang | populated place |
| Bilimang | populated place |
| Bilimoia | populated place |
| Bilimon River | stream |
| Bilipuhau Point | point |
| Bilka River | stream |
| Billy Mitchell Crater Lake | crater lake |
| Bilo Bilolo Rock | shoal |
| Bilo Bilolo Shoals | shoal |
| Bilobei Reef | reef |
| Bilobiloabahalina Island | island |
| Bilolo | cape |
| Bilomei River | stream |
| Bilomi River | stream |
| Bilong | populated place |
| Bilril | populated place |
| Biltavip | populated place |
| Bilur | populated place |
| Bima | populated place |
| Bimadibun | populated place |
| Biman | populated place |
| Bimara Mission | mission |
| Bimara | populated place |
| Bimary Mission | mission |
| Bimat | populated place |
| Bimat | populated place |
| Bimbienye | populated place |
| Bimbienyo | populated place |
| Bimbiniu | populated place |
| Bimedebun | populated place |
| Bimen Creek | stream |
| Bimeri | populated place |
| Bimin | populated place |
| Bimun | populated place |
| Bin | populated place |
| Bina River | distributary |
| Bina | populated place |
| Binabinaholi | populated place |
| Binakomata Island | island |
| Binam | populated place |
| Binamarien | populated place |
| Binara | populated place |
| Binat Creek | stream |
| Binaturi River | stream |
| Binaugori | populated place |
| Bindapuna | populated place |
| Bindari | populated place |
| Bindekane | populated place |
| Bindi Creek | stream |
| Binduta | populated place |
| Bingbingsen Island | island |
| Bingbingseng Island | island |
| Bingbingseng Plantation | estate |
| Bingo | populated place |
| Bini | stream |
| Binibinihali | populated place |
| Biniga | populated place |
| Binigigoro | populated place |
| Biniguna Creek | stream |
| Biniguna | populated place |
| Biniguni | populated place |
| Binip River | stream |
| Binnen Harbour | inlet |
| Binnen Island | island |
| Binnen Island | island |
| Binnigem | island |
| Binnigen Island | island |
| Binoa | populated place |
| Binouri | populated place |
| Bintap Creek | stream |
| Bintia Creek | stream |
| Bioka | populated place |
| Biomote | populated place |
| Bion Island | island |
| Bioto Creek | stream |
| Bioto Landing | ford |
| Bioto River | stream |
| Bioto | populated place |
| Bipan | populated place |
| Bipi Island | island |
| Bira Bira Bay | bay |
| Bira | populated place |
| Birag | populated place |
| Birai | populated place |
| Birak River | stream |
| Birap | mission |
| Birap | populated place |
| Birar | populated place |
| Birara Plantation | estate |
| Birara Point | cape |
| Birara | island |
| Biras | populated place |
| Birat | populated place |
| Bird Island Bay | bay |
| Bird Island | island |
| Bire | populated place |
| Biri | populated place |
| Biria | populated place |
| Birik | populated place |
| Birim River | stream |
| Birimai | populated place |
| Birimei | populated place |
| Birimkamba | populated place |
| Biring | populated place |
| Birioi | populated place |
| Birip Mission | mission |
| Birip | mission |
| Biriri | populated place |
| Biriri | populated place |
| Birop | populated place |
| Biros | populated place |
| Birosi | populated place |
| Birribi | populated place |
| Biru Corrective Institute | prison |
| Biruku | populated place |
| Bisapu | populated place |
| Bisi | clinic |
| Bisianumu Station | populated place |
| Bisianumu | populated place |
| Bisiatabu Mission | mission |
| Bisiatabu Mission | mission |
| Bisil Creek | stream |
| Bismarck Archipelago | islands |
| Bismarck Basin | basin |
| Bismarck Mountains | mountains |
| Bismarck Range | mountains |
| Bismark Mountains | mountains |
| Bismark Point | point |
| Bisogo | mountain |
| Bison Bay | bay |
| Bison | populated place |
| Bisorio | populated place |
| Bit Island Plantation | estate |
| Bit Island | island |
| Bita Creek | stream |
| Bita-Ere Mission | mission |
| Bitabaur Mission | mission |
| Bitagalip Mission | mission |
| Bitagalip | populated place |
| Bitalobo | populated place |
| Bitalovo | populated place |
| Bitam | populated place |
| Bitamarita Mission | mission |
| Bitapaka Hospital | hospital |
| Bitapukpuk | populated place |
| Bitara | populated place |
| Bitarebarebe | populated place |
| Bitatabu Plantation | estate |
| Bitbok Island | island |
| Bitdok | island |
| Biteabout Harbour | bay |
| Bitebe | populated place |
| Bitibum | populated place |
| Bitiku Island | island |
| Bitkangkunmale Island | island |
| Bitkenkumale Island | island |
| Bitkenkumele | island |
| Bitkesingmer Island | island |
| Bitkesinmer Island | island |
| Bitlik Island | island |
| Bitohilu Island | island |
| Bitoi Ridge | ridge |
| Bitoi River | stream |
| Bitoi | populated place |
| Bitokara Mission | populated place |
| Bitokara | populated place |
| Bitro | populated place |
| Bitten River | stream |
| Bituri River | stream |
| Bitutu Mountain | hill |
| Biu Bay | bay |
| Biu | populated place |
| Biuingen | populated place |
| Bium | populated place |
| Biungen | populated place |
| Bivaro | populated place |
| Biwa Plantation | estate |
| Biwa Plantation | estate |
| Biwa | populated place |
| Biwai Hills | hills |
| Biwar | populated place |
| Biwat | populated place |
| Biwat | populated place |
| Biwi River | stream |
| Bizigi | populated place |
