| Cunobarrus | Battle lord, or noble warrior |
| Cunobelinus | Battle lord, or noble warrior |
| Cunocennos | Battle lord, or noble warrior |
| Cunogusus | Strong, powerful warrior |
| Cunopectus | Born of the people, people's protector |
| Cunotamus | Mighty, powerful, and strong |
| Cunovindus | Born of the people, victorious |
| Cunuaret | Strong, powerful, and noble |
| Cuppa | A name meaning small vessel |
| Curra | One who is a spear carrier |
| Cusa | Wise, intelligent |
| Cussa | Wise, intelligent, and discerning |
| Cutbertus | Bright fame, shining glory |
| Cutha | Known as a famous or renowned one. |
| Cuthert | Bright, shining, and famous |
| Cuthgils | Battle, fight, and victory |
| Cuthred | Bright, shining, and ruler |
| Cuthsa | Battle, fight, and victory |
| Cuthsige | Battle, fight, and victory |
| Cuthwin | Battle, fight, and friend |
| Cuthwulf | A famous and powerful wolf warrior. |
| Cutulf | Bright, shining, and wolf |
| Cvlidori | From the forest, woods |
| Cvnaci | From the valley, valley dweller |
| Cvnogeni | Born of the people |
| Cybba | Derived from an ancient tribal name. |
| Cydda | A name meaning a bold, brave person. |
| Cydifor | Gift of the sea |
| Cydrych | One who is present or face to face. |
| Cyfa | A loyal and trusted dear friend. |
| Cyfel | A name meaning a gifted protector. |
| Cyhha | An ancient name of unknown origin. |
| Cylla | One who is small or youthful in age. |
| Cymen | A name meaning a strong, firm man. |
| Cymesa | A name of ancient origin meaning royal. |
| Cynal | Derived from old roots meaning royal. |
| Cyneagils | An old name meaning royal hostage. |
| Cynebehrt | A name meaning bright and royal. |
| Cynefrid | A name meaning royal and peaceful. |
| Cynegels | An old name meaning royal noble. |