| Capt |
Captain |
| CB |
Companion of the Order of the Bath |
| Cdr |
Commander |
| Cdre |
Commodore |
| centl |
central |
| Ch |
Chief |
| Ch Ch |
Christ Church |
| Chllr |
Chancellor |
| Chm |
Chairman |
| CIA |
Central Intelligence Agency |
| CIE |
Companion of the Order of the Indian Empire |
| CMG |
Companion of the Order of St Michael and St George |
| cmmdg |
commanding |
| Cmmn |
Commission |
| Cmmr |
Commissioner |
| Cncl |
Council |
| Co |
County or Company |
| Col |
Colonel |
| Coll |
College |
| Conf |
Conference |
| Confed |
Confederation |
| Conventn |
Convention |
| Corp |
Corporation |
| CPA |
Certified Public Accountant |
| Cpl |
Corporal |
| Ctee |
Committee |
| CVO |
Commander of the Royal Victorian Order |
