rumänische Ortsnamen
| Benesti |
| Benic |
| Bentid |
| Bercea |
| Berchiesu |
| Bereni |
| Berghin |
| Bergia |
| Berindu |
| Beriu |
| Berivoi |
| Bernadea |
| Beta (bei Odorheiu Secuiesc) |
| Beta (bei Turda) |
| Betesti |
| Beu |
| Beudiu |
| Bezded |
| Bezid |
| Bezidu Nou |
| Biborteni |
| Bicalatu |
| Bicaz-Chei |
| Bicazul Ardelean |
| Bicfalau |
| Bichigiu |
| Bichis |
| Bidiu |
| Biertan |
| Biharia |
| Biia |
| - |
| Bilbor |
| Bira |
| Bircea Mare |
| Bircea Mica |
| Birdesti |
| Birghis |
| Birla |
| Birlea |
| Birlesti (bei Cimpeni) |
| Birlesti (bei Alba Iulia) |
| Birlesti-Catun |
| Birlibas |
| Birnadu |
| Birsana |
| Birsau |
| Birsau Mare |
| Birsauta |
| Birtin |
| Birza |
| Birzava |
| Bisericani (bei Cimpeni) |
| Bisericani (bei Odorheiu Secuiesc) |
| Bistra |
| Bistra Muresului |
| Bistrita |
| Bistrita-Birgaului |
| Bita |
| Bixad |
| Blaj |
| Blajel |
| Blejeni |
| Blajenii de Jos |
| Blajenii de Sus |
| Blajenii-Vulcan |
| Blandiana |
| Blidaresti |
| Blidireasa |
| Boarta |
| Bobilna (bei Brad) |
| Bobilna (bei Dej) |
| Bobohalma |
| Bociu |
| Bocsa Mare |
| Bosca Mica |
| Bod |
| Bodeti |
| Bodia |
| Bodoc |
| Bodogaia |
| Bodos |
| Bodresti |
| Bodrog |
| Bogata (bei Turda) |
| Bogata (bei Ludus) |
| Bogatade Jos |
| Bogata de Sus |
| Bogata-Olteana |
| Bogatu Roman |
| Bogdana |
| Boglesti |
| Boholt (bei Brad) |
| Boholt ( bei Agnita) |
| Boia Birzii |
| Boian (bei Medias) |
| Boian (bei Ludus) |
| Boiereni |
| Boiu (bei Alba Iulia) |
| Boiu (bei Sighisoara) |
| Boiu de Jos |
| Boiu de Sus |
| Boita (bei Petrosani) |
| Boita (bei Sibiu) |
- |
deutsche Ortsnamen
| Bägendorf |
| - |
| - |
| - |
| - |
| - |
| Blutroth |
| - |
| - |
| Lammdorf |
| - |
| Bernhardsdorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Bikis |
| - |
| Bidda |
| Birthälm |
| - |
| Benden |
| - |
| - |
| - |
| - |
| - |
| - |
| Bürgisch |
| BerldorfBerldorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Walddorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Bistritz |
| Borgo-Bistritz |
| - |
| - |
| Blasendorf |
| Kleinblasendorf |
| - |
| Unter-Blasendorf |
| Ober-Blasendorf |
| - |
| Stumpach |
| - |
| - |
| Michelsdorf |
| - |
| Olparet |
| - |
| - |
| - |
| - |
| Brenndorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Bogatbach |
| Bogaden |
| - |
| - |
| - |
| Buchholz |
| - |
| Bonnesdorf |
| - |
| - |
| Bundorf |
| Großbun |
| - |
| - |
| Botzen |
| Ochsendorf |
|
ungarische Ortsnamen
| - |
| Borosbenedek |
| Benced |
| Bercse |
| Berkenyes |
| Szekelybere |
| Berve |
| Mezöbergenye |
| Berend |
| Bereny |
| - |
| Bernad |
| Beta |
| Magyarbece |
| Betfalva |
| Szekelybö |
| Böd |
| Bezded |
| Bözöd |
| Bözödujfalu |
| Bibarcfalva |
| Magyarbikal |
| Almasmezö |
| Gyergyobekas |
| Bikfalva |
| Bükkös |
| Magyarbükkös |
| Szasz-Bödön |
| Berethalom |
| - |
| Magyarbenye |
| - |
| Gyergyobelbor |
| Berekeresztur |
| Nagybarcsa |
| Kisbarcsa |
| - |
| Bürkös |
| Berlad |
| Ook |
| - |
| - |
| - |
| - |
| - |
| - |
| Berekszo |
| - |
| - |
| - |
| - |
| Csikborzsova |
| Bucsuru-Muntar |
| Szentlelek |
| Bsztra |
| Dedabisztratelep |
| Beszterce |
| Bogobeszterce |
| Bita |
| Sepsibükszad |
| Balazsfalva |
| Balastelke |
| - |
| Alsobalazsfalva |
| Felsöbalasfalva |
| - |
| Karna |
| Talosfalva |
| Blidorasza |
| Mihalyfalva |
| Babolna |
| Alparet |
| Babahalma |
| Bocs |
| - |
| - |
| Botfalu |
| - |
| Szilagybogya |
| Bodok |
| Alsoboldogasszonyfalva |
| Bados |
| - |
| - |
| Bogatpuszta |
| Marosbogat |
| Alsobogata |
| Felsöbogat |
| Oltbogat |
| Olahbogat |
| Kasapatak |
| - |
| - |
| Boholc |
| - |
| Alsobajom |
| Mezöbö |
| - |
| Boj |
| Nagybun |
| - |
| - |
| Boica |
| Boica |
|
