| Acronym | Definition |
|---|
| ISCT➣International Society of Cleaning Technicians |
| ISCT➣International Society for the Classical Tradition (est. 1991; Boston University; Boston, MA) |
| ISCT➣Integrative Social Contract Theory (business ethics) |
| ISCT➣International Society for Cell Therapy |
| ISCT➣International Society of Chen Taijiquan |
| ISCT➣Infinite Shanghai Communication Terminals Ltd. (Shanghai, China) |