| Buruj | Watchtower or tower, a term used in Islamic architecture |
| Busharat | Good news or glad tidings, a term used in Islamic tradition |
| Busuttil | Italian surname derived from the word 'buso,' meaning 'bush' |
| Butros | Egyptian name meaning 'son of the lord' |
| Buwayh | Arabic name meaning 'to be strong' or 'to be powerful' |
| Careem | Arabic name meaning 'generous' or 'noble' |
| Carim | Arabic name meaning 'generous' or 'noble' |
| Casildo | Italian surname derived from the word 'casale,' meaning 'small house' |
| Cassem | Arabic name meaning 'strong' or 'firm' |
| Cassim | Arabic name meaning 'strong' or 'firm' |
| Cayman | English name derived from the word 'cayman,' meaning 'island' |
| Challita | Arabic name meaning 'young' or 'youthful' |
| Chawki | Arabic name meaning 'young' or 'youthful' |
| Cheik | Arabic name meaning 'old' or 'elder' |
| Chhatrapal | Ruler of the umbrella or a title of respect |
| Chitnis | Title of respect in some Indian cultures |
| Cien | Hundred in Spanish |
| Cifran | To count or calculate in Spanish |
| Codei | God is my strength in Hebrew |
| Cruinn | Wise or intelligent in Irish |
| Daabir | One who knows or understands in Arabic |
| Daaiyyah | One who is devoted to God in Arabic |
| Daarim | One who is noble in Arabic |
| Dafalla | One who is patient in Arabic |
| Dafi | One who is patient in Arabic |
| Daghishat | One who is noble in Arabic |
| Dahdaah | One who is patient in Arabic |
| Dahdah | Unkempt or untidy |
| Dahir | A noble or aristocratic title |
| Damil | A variant of the name David |
| Danal | A variant of the name Daniel |
| Daqqaq | A variant of the name David |
| Daudy | A variant of the name David |
| Davod | A variant of the name David |
| Davoud | A variant of the name David |
| Dayaan | A variant of the name Dayan |
| Daza | Unknown or unattainable |
| Deenaar | Rich, wealthy, or generous |
| Delwar | One who possesses a brave heart. |
| Dhaakireen | One who remembers God |