| O | Classroom Observation for serving EMI teachers advisory panel, Education Bueau | Others | |
| J | CLC and Learning Conference 12 June, 2006 | | |
| O | Clean Energy Research at HKU Workshop, Hong Kong | Others | |
| O | Cleaner Production Partnership Programme | Others | |
| O | Clearwater Bay School Council, ESF | Others | |
| O | Climate and Environment Committee of The Outstanding Young Persons Association | Others | |
| O | Clinical Advisory Group on Hong Kong Reference Framework for Preventive Care for Older Adults in Primary care Settings | Others | |
| J | Clinical and Experimental Immunology | | |
| O | Clinical Audit Report Segment, Specialty Board, The Hong Kong College of Family Physicians | Others | |
| O | Clinical Audit Subcommittee of the Queen Mary Hospital | Others | |
| O | Clinical Cancer Research | Others | |
| O | Clinical Epidemiology to the Hospital Authority | Statutory | |
| O | Clinical Ethics & Professional Standard Committee, Hong Kong West Cluster, Hospital Authority | Others | |
| O | Clinical Ethnics and Professional Standard Committee, Hong Kong West Cluster, Hospital Authority | Others | |
| O | Clinical Legal Education | Others | |
| O | • Clinical Oral Implants Research | Others | |
| O | Clinical Psycholgical and Counselling Service, Baptist Oi Kwan Social Service | Others | |
| O | Clinical services Plan for the New Territories East Cluster, Strategy and Planning Division, Hospital Authority | Others | |
| P | Clinical Trials Trials Centre Committee Management | | |
| O | CLOCKSS <http://www.clockss.org/clockss/Home> | Others | |
