| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ISTA | International Seed Testing Association | In English | → Associations → Agricultural sciences |
| ISTA | Institut Supérieur de Technologie d'Antananarivo | In French | → Specialized or polytechnical colleges → Engineering, technology |
| ISTA | Intertank Structural Test Assembly | In English | |
| ISTA | Institut Supérieur Textile d'Alsace | In French | → Specialized or polytechnical colleges → Textile industry |