| IPSL | Independent protocol simulator language 
| Others |
| IPSL | Indo Pakistani Sign Language
| Others |
| IPSL | Indo-Pakistani Sign Language
| Others |
| IPSL | Industrial Plant Services Limited
| Others |
| IPSL | Institut Pierre Simon Laplace
| Others |
| IPSL | Intelligent Processing Solutions Limited
| Others |
| IPSL | Interconnected Power Systems Laboratory
| Others |
| IPSL | Interface Problem Status Log
| Others |
| IPSL | International Pacific School of Law
| Others |
| IPSL | International Partnership for Service Learning
| Others |
| IPSL | Internet Protocol-only private LAN (Local Area Network) Service
| Others |
| IPSL | Iowa Premier Soccer League
| Others |
| IPSL | Ipslintelligent Processing Solutions Limited
| Others |