| Babbage | One who makes or sells wool. |
| Bacchu | A name meaning god of the wine. |
| Badam | A name meaning the almond tree. |
| Badlands | Rugged terrain with steep hills. |
| Bah | A name meaning a bright light. |
| Balderik | A bold and powerful ruler. |
| Ballerina | A female ballet performer. |
| Baloo | A Hindi word meaning bear. |
| Balozi | Swahili term for ambassador. |
| Balthier | God protects the kingly one. |
| Balthus | Derived from Baal protects. |
| Bandgi | A Persian word for devotion. |
| Bangaluru | City of the boiled beans. |
| Bardiya | Named after a Persian prince. |
| Barf | A Persian word meaning snow. |
| Barini | A name meaning noble woman. |
| Baritone | A deep male singing voice. |
| Baritonia | A name derived from deep musical tones. |
| Baroda | Named after a historic Indian city. |
| Baroque | Refers to an ornate artistic style. |
| Barriss | A name meaning dweller by the gate. |
| Barristan | One who serves as a noble guardian. |
| 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. |
| Beacon | A guiding light or signal fire. |
| Beam | A ray of light or structural timber. |
| Beast | A wild, powerful, or savage animal. |
| Beibhinn | Fair lady of Irish origin |
| Belenus | The shining Celtic sun god |
| Bellon | A name meaning handsome one |