| NICN | National Industrial Court of Nigeria 
| Others |
| NICN | National Information Centre Network
| Others |
| NICN | Navy Item Control Number
| Others |
| NICN | Navy Item Control Numbers
| Others |
| NICN | Nebraska Infection Control Network
| Others |
| NICN | Neonatal Intensive Care Nurseries
| Others |
| NICN | Neonatal Intensive Care Nursery
| Others |
| NICN | Neonatal Intensive Care Nursey
| Others |
| NICN | Neuro Intensive Care Nursery
| Others |
| NICN | Neurobiologie des Interactions Cellulaires et Neurophysiopathologie
| Others |
| NICN | Neurological Intensive Care Nursery
| Others |
| NICN | Neurosciences Intensive Care Nursery
| Others |
| NICN | Nordic Interactive Cinema Network
| Others |
| NICN | Ntific And Informational Computer Network
| Others |