| O | Jeffrey Modell Diagnostic and Research Center in Hong Kong, China | Others | |
| O | Jian Hua Foundation | Others | |
| O | Jiangsu Province Institute of Urban Planning and Design | Others | |
| O | Jiazhuang Buddhist Research Institute, Jiangsu Province | Others | |
| O | Jiazhuang Monastery, Suzhou | Others | |
| O | Job Market, Sing Tao Daily | Others | |
| O | JobMarket, Sing Tao Daily | Others | |
| O | JobMarket, Singtao Daily | Others | |
| O | Jockey Club Bradbury Wah Sum Care Centre | Others | |
| O | Jockey Club Cancer Rehabilitation Centre, Wong Chuk Hang, Hong Kong. | Others | |
| O | Jockey Club Heavy Vehicle Emissions Testing and Research Centre | Others | |
| O | Jockey Club Home for Hospice | Others | |
| P | Jockey Club Movin' Care for Parkinson's Disease Project | | |
| O | Jockey Club Museum of Climate Change | Others | |
| O | Jockey Club Positive Education Ascend and Radiant Project MOOC Advisory Committee, Social Sciences Faculty, The Chinese University of Hong Kong | Others | |
| P | Jockey Club Project Well-being (Po Leung Kuk participating Schools) | | |
| O | John Benjamins | Others | |
| O | John Benjamins Publishing Company | Others | |
| O | John F. Kennedy School | Others | |
| O | Johnson Electric Holdings | Industrial | |
