| Buurgplaatz | Burgplatz |
| Buus | Buus |
| Buxaceae | Buxusfamilie |
| Buxales | Buxales |
| Buxheim | Buxheim |
| buxom | weelderig |
| Buxtehude | Buxtehude |
| buy | aankoop |
| Buy at a public sale | Op een veiling kopen |
| buy back | terugkopen |
| buy in | inkopen |
| Buy Nothing Day | Niet-Winkeldag |
| buy off | omkopen |
| buy on credit | kopen op afbetaling |
| buy out | uitkopen |
| buy something outright | onmiddelijk het totaal bedrag voor iets betalen |
| buy through an installment plan | kopen op afbetaling |
| buy time | tijd winnen |
| buy up | opkopen |
| Buyeo | Buyeo |
| Buyeo County | Buyeo |
| buyer | koper |
| buying | aankoop |
| buying spree | aanval van koopwoede |
| Buynaksk | Boejnaksk |
| buyout | opkoop |
| Buys Ballot Medal | Buys Ballotmedaille |
| Buzau | Buzău |
| Buzet | Buzet |
| Buzkashi | Buzkashi |
| buzz | telefoontje |
| Buzz Aldrin | Edwin Aldrin |
| Buzz Lightyear of Star Command | Buzz Lightyear of Star Command |
| buzz off | weggaan |
| buzzard | buizerd |
| Buzzcocks | The Buzzcocks |
| buzzer | zoemer |
| buzzing | brommen |
| buzzword | buzzwoord |
| Buzzword bingo | Bullshitbingo |
| Buzău | Buzău |
| Buzău County | District Buzău |
| Buzău River | Buzău |
| BV | BV |
| BVN | BVN |
| BVSC Budapest | BVSC Boedapest |
| BVZ Zermatt-Bahn | Brig-Visp-Zermatt-Bahn |
| BW | Biowapens |
| BWF World Championships | Wereldkampioenschappen badminton |
| Bwin | Bwin |
| BWV | Bach-Werke-Verzeichnis |
| by | naast |
| by a fluke | stomtoevallig |
| by accident | per abuis |
| By acclamation | Bij acclamatie |
| by all means | zeker |
| By analogy | Naar analogie van |
| By and | Eerlang |
| by and large | in grote lijnen |
| by any chance | soms |
| by certified mail | per aangetekende post |
| by chance | per ongeluk |
| by contrast with | naast |
| by degrees | geleidelijk |
| by express | per expresse |
| by far | verreweg |
| By fours | Met zijn vieren |
| by giro | giraal |
| by hand | manueel |
| By hazard | Bij gelegenheid |
| by heart | van buiten |
| By hindsight | Dan |
| by itself | per se |
| by lack of | bij gebrek aan |
| by means of | door middel van |
| by mistake | per abuis |
| by no means | in geen geval |
| by oneself | alleen |
| by order of the authorities | op bevel van hogerhand |
| By pairs | Een paar vormend |
| By popular request | Verzoeknummer |
| by private treaty | onderhands |
| by reason of | omwille van |
| by registered mail | per aangetekende post |
| by rights | rechtens |
| By ship | Per schip |
| By sight | Op het gezicht |
| by superior order | op bevel van hogerhand |
| by telephone | telefonisch |
| By tens | Met zijn tienen |
| by that means | daarmee |
| by the by | terloops gezegd |
| by the Grace of God | bij de Gratie Gods |
| by the merest chance | stomtoevallig |
| by the way | trouwens |
| By twos | Getweeën |
| by way of | via |
