| Basalt | Named after dark volcanic rock. |
| Bassano | Originating from an Italian town. |
| Basswood | Named after the soft linden tree. |
| Batan | A name meaning a place of weaving. |
| Batani | Derived from a scholarly lineage. |
| Bavan | A name meaning meditation or prayer. |
| Bayer | One who works as a berry farmer. |
| Baymax | A gentle, helpful robot healer. |
| Bayonetta | A stylish, powerful witch figure. |
| Bayou | A marshy outlet of a lake or river. |
| Baze | A name meaning a fortress or base. |
| Bazine | A name meaning a bold, brave soul. |
| Bikaji | A noble and royal descendant. |
| Bikaner | A city founded by Rao Bika. |
| Bikini | A small island or swimwear. |
| Bilbo | A sword or a fictional hero. |
| Binary | Composed of two distinct parts. |
| Bintan | A beautiful island in Indonesia. |
| Bintani | A name meaning a noble daughter. |
| Birdella | A name meaning little bird. |
| Birsa | A name meaning strong and brave. |
| Biscayne | Named after a coastal bay area. |
| Biscotti | A crunchy Italian almond cookie. |
| Bison | A large wild ox of North America. |
| Bronn | A name meaning dark or swarthy |
| Bua | A term meaning aunt or elder kin |
| Bugle | A signal horn used in the army |
| Bulma | A name meaning bloom or blossom |
| Bumble | To move or speak in a clumsy way |
| Burfi | A sweet milkbased confection. |
| Buriya | A name meaning elderly or wise. |
| Coorg | A region in southern India. |
| Cork | Bark from the cork oak tree. |
| Dhol | A traditional rhythmic drum. |
| Fjord | A long narrow coastal inlet. |
| Ghost | One who is a spirit or a phantom. |
| Knoll | A small hill or mound |
| Kross | A variant spelling of the name Cross. |
| Kyro | A name meaning lord or master. |
| Oahu | A place gathered together |