| Abbreviation | Definition |
|---|---|
| ISC | International Stroke Conference |
| ISC | International Supercomputing Conference |
| ISCAS | International Symposium on Circuits And Systems |
| ISCC | IEEE Symposium on Computers and Communications |
| ISCC | International Skin Carcinogenesis Conference |
| ISCC | International Solar Cookers Conference |
| ISCNZ | Information Systems Conference of New Zealand |
| ISDA | Intelligent Systems Design and Applications conference |
| ISDC | International Space Development Conferences |
| ISE | International Symposium on Electrets |
| ISEC | Inclusive and Supportive Education Conference |
| ISEC | Integrated STEM Education Conference |
| ISEC | International Superconductive Electronics Conference |
| ISEE | IEEE (Institute of Electrical and Electronics Engineers) International Symposium on Electronics and the Environment |
| ISEF | International Symposium on Electromagnetic Fields |
| ISEMC | IEEE International Symposium on Electromagnetic Compatibility |
| ISFC | International Short Film Conference |
| ISFC | International Soft Fruit Conference |
| ISIAC | International Symposium on Ion Atom Collisions |
| ISIC | IEEE International Symposium on Intelligent Control |