| O | I&T Advisory Committee, E&M InnoPortal, Electrical and Mechanical Services Department (EMSD) | Others | |
| O | i-Cable channel 27 | Others | |
| O | IAC Tutorials, International Academy of Cytology | Others | |
| J | IADR | | |
| O | IADR / Dental Materials Group | Others | |
| O | IADR-DMG (Dental Materials Group) | Others | |
| J | IASL 2005 Annual Conference | | |
| J | IASL 2006 Annual Conference | | |
| J | IASL 2007 Annual Conference | | |
| J | IAU symposium No. 251 | | |
| O | IAU Symposium on PN | Others | |
| O | IBA Working Group on Investor-State Mediation | Professional | |
| J | iCable TV Channel 27: Today | | |
| J | iCable TV Channel 27:Today | | |
| O | ICANN President's Advisory Committee on Internationalized Domain Names | Others | |
| O | ICDE Workshop on Management and Mining of Uncertain Data (MOUND 2009) | Others | |
| O | ICEE International Workshop on Electrochemical Energy Conversion: Research Highlights in Materials, Devices, and Mechanisms, The University of Hong Kong, Hong Kong | Others | |
| J | ICET World Assembly 2004 | | |
| O | ICF-BSE Steering Committee, International College of Fellows (ICF), International Union of Societies for Biomaterials Science and Engineering (IUSBSE) | Others | |
| J | ICHL, Beijing | | |
