| Balance of payments | Balance of payments accounts of Japan (1960–90) | Balance of power (international relations) |
| Balance of trade | Balance sheet | Balance spring |
| Balance theory | Balance wheel | Balanced histogram thresholding |
| Balanced scorecard | Balanced trade | Balanidae |
| Balanites | Balanites aegyptiaca | Balanites angolensis |
| Balanites glabra | Balanites maughamii | Balanites pedicellaris |
| Balanites rotundifolia | Balanites roxburghii | Balanites triflora |
| Balanites wilsoniana | Balanites zizyphoides | Balanitis |
| Balanoposthitis | Balansa | Balantidiasis |
| Balantidium | Balantidium coli | Balantiocheilos melanopterus |
| Balaton, Minnesota | Balawat | Balıkesir |
| Balbir Singh, Sr. | Balboa Park (San Diego) | Balbronn |
| Balcony | Bald Head Island, North Carolina | Bald Knob, Arkansas |
| Baldassare Castiglione | Baldenheim | Baldness |
| Baldone | Baldur von Schirach | Baldwin |
| Baldwin City, Kansas | Baldwin County, Alabama | Baldwin Park, Missouri |
| Baldwin Township, Delta County, Michigan | Baldwin Township, Iosco County, Michigan | Baldwin's rules |
| Baldwin, Georgia | Baldwin, Illinois | Baldwin, Iowa |
| Baldwin, Michigan | Baldwin, Wisconsin | Baldwinsville, New York |
| Baldwyn, Mississippi | Balearica pavonina | Balearica regulorum |
| Baled | Baleen | Baler |
| Balesh Rural District | Baleyran | Balf.f. |
| Balfour Declaration | Balfour, North Dakota | Balfrin |
| Balgha | Balghelu Rural District | Balhaf |
| Bali | Bali Sea | Balikpapan |
| Balinese cat | Balinghem | Balistidae |
| Balitoridae | Balkan Campaign (World War II) | Balkan League |
| Balkan Wars | Balkanization | Balkans |
| Ball (association football) | Ball grid array | Ball Ground, Georgia |
| Ball in and out of play | Ball lightning | Ball valve |
| Ball-and-stick model | Ballad | Ballard, Utah |
| Ballcock | Ballet moderno | Balli Qeshlaq |
| Ballista | Ballistic missile | Ballistic Recovery Systems |
| Ballistics | Balloon (aeronautics) | Balloon Fight |
| Ballot title | Ballota | Ballota antilibanotica |
| Ballota byblensis | Ballota damascena | Ballota deserti |
| Ballota hirsuta | Ballota nigra | Ballota philistaea |
| Ballota pseudodictamnus | Ballota saxatilis | Ballota undulata |
| Ballpoint pen | Balls Of Fury | Balls of Fury |
| Ballston Spa, New York | Balltown, Iowa | Balmahorn |
| Balmer series | Balmhorn | Balo concentric sclerosis |
| Baloži | Baloch people | Balochi language |
| Balochistan Gerbil | Balochistan, Pakistan | Balofloxacin |
| Balqa Governorate | Balsam | Balsam Lake (town), Wisconsin |
| Balsam of Mecca | Balta, North Dakota | Baltacı |
| Baltasar Gracián | Balthasar Kindermann | Balthasar Neumann |
| Balthazar Getty | Baltic countries | Baltic, Connecticut |
| Baltic, South Dakota | Baltimore | Baltimore classification |
| Baltimore County, Maryland | Baltimore Township, Michigan | Baltimore, MD |
| Baltimore, Ohio | Baltimore, Vermont | Baltimore–Washington International Airport |
| Baltix | Balto-Slavic languages | Baltoji Vokė |
| BALTOPS | Balts | Baluchabad, Aliabad |
| Baluku | Baluster | Balut (egg) |
| Balyemez | Balzan F.C. | Bam Bam Bigelow |
| Bam County | Bam Sareh | BAM! Entertainment |
| Bamako–Sénou International Airport | Bambang Pamungkas | Bamberg |
| Bamberg, South Carolina | Bamberger triazine synthesis | Bambi |
| Bambi (film) | Bambi 2 | Bambi II |
| Bambino cat | Bamboo | Bambuseae |
| Bamer Kola | BamHI | Bamoti |
| Bampur County | Bampur-e Gharbi Rural District | Bampur-e Sharqi Rural District |
| Bamrung Boonprom | Bamyan Province | Ban Ab, Kerman |
| Ban Johnson | Ban Ki-moon | Ban, Iran |
| BaN6 | Banach space | Banach–Tarski paradox |
| Banafsh Tappeh Rural District | Banafsheh Daraq, Ardabil | Banan Bader |
| Banana | Banana Republic | Banana republic |
| Banana Yoshimoto | Banants F.C. | Banara |
| Banara boliviana | Banara brasiliensis | Banara domingensis |
| Banara larensis | Banara portoricensis | Banara vanderbiltii |
| Banat | Banaue Rice Terraces | Banū Mūsā |
| Banburismus | Banca Comercială Română | Banco Bilbao Vizcaya Argentaria |
| Banco Bradesco | Banco de España | Bancourt |
| Bancr. | Bancroft point | Bancroft's sign |
| Bancroft, Iowa | Bancroft, Kentucky | Bancroft, Michigan |
| Bancroft, Nebraska | Bancroft, South Dakota | Bancroft, West Virginia |
| Band Astaneh | Band gap | Band-e Meyan |
| Band-pass filter | Band-stop filter | Bandage (film) |
| Bandai | Bandai Namco Entertainment | Bandai Namco Holdings |
| Bandai Super Vision 8000 | Bandalag íslenskra skáta | Bandar Al Hajjar |
| Bandar Al-Enezi | Bandar bin Khalid Al Saud | Bandar bin Sultan |
| Bandar Charak Rural District | Bandar Lengeh | Bandar Seri Begawan |
| Bandar Siraf | Bandar, Yazd | Bandar-e Anzali County |
| Bandar-e Gaz County | Bandar-e Moqam | Bandar-e Turk |
| Bandırma | Banded mongoose | Bandicam |
| Bandicota | Bandicota bengalensis | Bandidas |
| Banditry | Bandon, Oregon | Bandung |
| Bandung Majalengka International Airport | Bandwidth | Bandwidth (signal processing) |
| Bandwidth Broker | Bane (comics) | Baneberry, Tennessee |
| Baneh County | Banesar Kola | Banestan Rural District |
| Bang Bang (2014 film) | Bang, Lorestan | Bangalore |
| Bangalore torpedo | Bangarang | Banged Up Abroad |
| Bangka-Belitung | Bangkok | Bangkok Airways |
| Bangkok Dangerous (2008 film) | Bangladesh | Bangladesh Air Force |
| Bangladesh Liberation War | Bangladesh Red Crescent Society | Bangladesh Society of Microbiologists |
| Bangladesh Standard Time | Bangladesh Television | Bangladeshi passport |
| Bangladeshi taka | Banglapedia | Bangor City |
| Bangor City F.C. | Bangor Township, Bay County, Michigan | Bangor Township, Van Buren County, Michigan |
| Bangor, Maine | Bangor, Michigan | Bangor, Wisconsin |
| Bangs, Texas | Bani Shaiba | Bani Walid Airport |
| Banjar | Banjar Al-Dosari | Banjarmasin riot of May 1997 |
