| O | The Society of Hong Kong Scholars | Others | |
| O | The Spaghetti House | Deleted | |
| O | The Spastics Association of Hong Kong, Psychological Service Committee | Professional | |
| O | The Special Committee on Smart Cities, Science and Technology Committee of the Ministry of Housing and Urban-Rural Development, China | Others | |
| P | The Specialty Board in Cardiology HK College of Physician | | |
| O | The Standard Chartered Hong Kong English Public Speaking Contest, HKFYG | Others | |
| O | The Standard Chartered Hong Kong English Public Speaking Contest, The Hong Kong Federation of Youth Groups | Others | |
| O | the Standing Committee on Allied Health Personnel | Others | |
| O | The Standing Committee on Language Education and Research, Hong Kong | Others | |
| O | The Standing Research Committee of the World Congress of Comparative Education Societies | Others | |
| O | the Steering Committee of the APEC Cyber Education Consortium | Others | |
| O | The study of Professional Relevance Study, The OISE and HKIED team, commissioned by ACTEQ, EMB | Others | |
| O | The Sub-Committee on HKU Centennial Distinguished Chinese Scholars Scheme | Others | |
| O | The Sun Yat-sen University | Others | |
| O | The Symposium on Medical-legal Issues in Obstetrics under the Perinatal chapter | Others | |
| O | The Tandana Foundation | Others | |
| O | The Tang Prize Selection Committee for Sinology, Taiwan | Others | |
| J | the Task force for subspecialty training in General Surgery | | |
| O | the Technical Working Group for Hearing Impairment, WHO | Others | |
| P | The terminology consensus group on speech language and communication disorders | | |
