| Brennus | A supposed king of Britain |
| Brent | From the hill; Hill top; A Steep Climb; From the steep hill |
| Breri | A name meaning noble person. |
| Breuse | A name meaning wild or fierce. |
| Brijesh | God of the land of Brij; Lord Krishna |
| Brijmohan | Krishna; Lord Krishna |
| Brinda | Of The Basil Plant; The basil plant; Radha; Tulasi |
| Bryn | Hill; Hill. Many Welsh place names begin with the word 'Bryn'. |
| Buddhadev | Wise person; Wise person, Gautam Buddha |
| Buddhadeva | Gautama Buddha; Wise; Gautama Buddha |
| Buddhapriya | One liked by Buddha |
| Budhil | Learned; A learned man; Wise person |
| Buegoneguig | Chippewa name meaning hole in the sky. |
| Bukka | Heart, Loving, Sincere |
| Bulbul | The nightingale.; A songbird |
| Bushra | Happy news. Glad tiding. Good omen. |
| Cabal | A secret group of plotters. |
| Cacamwri | A name of Welsh origin. |
| Cador | Nephew of Arthur |
| Caerleon | Name of a battle site |
| Cafall | King Arthurs legendary hound. |
| Cala | Something that is moving or unsteady. |
| Calibom | Various names for Arthur's sword. |
| Calibome | Various names for Arthur's sword. |
| Calibor | Various names for Arthur's sword. |
| Calibum | Various names for Arthur's sword. |
| Calibumus | Various names for Arthur's sword. |
| Calogrenant | A knight of the Round Table. |
| Camelon | Site of Arthur's last battle. |
| Camelot | Arthur's castle. |
| Camlann | Site of Arthur's last battle. |
| Candra | Of the moon.; One who is glowing; Pure And Chaste |
| Candy | Bright, Sweet; Diminutive of Candace: Famous bearer: American actress Candice Bergen.; Diminutive of Candida: Dazzling white. Bright, glowing white. Derived from the feminine of the Latin adjective meaning white. Famous bearer: George Bernard Shaw's 1898 |
| Canowicakte | Sioux name meaning forest hunter. |
| Cantara | Bridge; Small bridge. |
| Caradawc | An ancient name meaning beloved. |
| Caradoc | A Welsh name meaning beloved one. |
| Carmelide | Guinevere's father. |
| Carrado | An Italian name meaning bold. |
| Cashesegra | Osage name meaning tracks of a large animal. |