The Duchess of Cornwall supports a number of charities. As these date mainly from September and October 2005, one can assume that there are more to appointments come.
| Charity | Role | Date of announcement |
| Animal Care Trust (under the umbrella of The Royal Veterinary College) | Patron | 12/09/2005 |
| Cornwall Community Foundation | Patron | 12/09/2005 |
| Georgian Theatre Royal, Richmond | Joint Patron with The Prince of Wales | 12/10/2005 |
| London Chamber Orchestra | Patron | 12/09/2005 |
| National Osteoporosis Society | President | 01/10/2001 |
| New Queen's Hall Orchestra | Patron | |
| The Society of Chiropodists and Podiatrists | Patron | 12/09/2005 |
| Scotland’s Gardens Scheme | President | 12/09/2005 |
| St John's Smith Square | Patron | |
| Unicorn Theatre for Children | Patron | 18/10/2005 |
| Wiltshire Bobby Van Trust | Patron | 06/06/2005 |
| Youth Action Wiltshire | Patron | 12/09/2005 |