| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 101 | Catterik | ArthurianLegend | Name of a battle. | M | |
| 102 | Cavalon | ArthurianLegend | Name of a king. | M | |
| 103 | Caw | ArthurianLegend | Name of a giant. | M | |
| 104 | Chapalu | ArthurianLegend | Name of a monster. | M | |
| 105 | Che | ArthurianLegend | Arthur's brother. | M | |
| 106 | Chelinda | ArthurianLegend | Tristan's grandmother. | F | |
| 107 | Chelinde | ArthurianLegend | Tristan's grandmother. | F | |
| 108 | Clamedeus | ArthurianLegend | Name of a king. | M | |
| 109 | Clarine | ArthurianLegend | Mother of Lancelot. | F | |
| 110 | Clarion | ArthurianLegend | Name of a king. | M | |
| 111 | Clarissant | ArthurianLegend | Sister of Gawain. | F | |
| 112 | Cnidel | ArthurianLegend | Name of a king. | M | |
| 113 | Condwiramurs | ArthurianLegend | Wife of Percival. | F | |
| 114 | Corbenic | ArthurianLegend | Where the grail was kept. | M | |
| 115 | Cotovatre | ArthurianLegend | Name of a lake. | F | |
| 116 | Creiddyladl | ArthurianLegend | Daughter of Llud. | F | |
| 117 | Culhwch | ArthurianLegend | Arthur's nephew. | M | |
| 118 | Cundrie | ArthurianLegend | Woman who condemns Percival. | F | |
| 119 | Cundry | ArthurianLegend | Woman who condemns Percival. | F | |
| 120 | Cus | ArthurianLegend | Name of a king. | M | |