| ISPAN | Information Stream Project for AWIPS and NOAAport 
| Others |
| ISPAN | Ingress Switched Port ANalyzer
| Others |
| ISPAN | Instytut Sztuki Polskiej Akademii Nauk
| Others |
| ISPAN | Integrated Strategic Planning and Analysis Network
| Others |
| ISPAN | International Society of Plastic and Aesthetic Nurses
| Others |
| ISPAN | International Symposium on Parallel Architecture, Algorithms, and Networks
| Others |
| ISPAN | Internet Service Provider Association of Nepal
| Others |
| ISPAN | Internet Service Providers Association of Nepal
| Others |
| ISPAN | Internet Service Providers Association of Nigeria
| Others |