| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ISTK | Institut Supérieur du Textile de Ksar Hellal | In French | → Specialized or (poly)technical colleges → Textile industry |
| ISTK | Internacia Studumo pri Turismo kaj Kulturo | In Esperanto | → Tourism → Specialized or (poly)technical colleges → Civilization, culture, progress |
|