| ISCRA | Instituto Superior de Ciencias Religiosas Asidonense 
| Others |
| ISCRA | International School of Cosmic Ray Astrophysics
| Others |
| ISCRA | International Slot Car Racing Association
| Others |
| ISCRA | Isfahan School and Conference on Representations of Algebras
| Others |
| ISCRA | Italian SuperComputing Resource Allocation
| Others |