| ISCN | International Secure Communications Network 
| Others |
| ISCN | International Society of Citrus Nurserymen
| Others |
| ISCN | International Soil Carbon Network
| Others |
| ISCN | International Standard for Cytogenetic Nomenclature
| Others |
| ISCN | International Sustainable Campus Network
| Others |
| ISCN | International Symposium on Clinical Neuroscience
| Others |
| ISCN | International System for Chromosome Nomenclature
| Others |
| ISCN | Islamic Society of Corona Norco
| Others |
| ISCN | It Sport Calcio Napoli
| Others |
| ISCN | Italian Sport Calcio Napoli
| Others |