| Rank | Abbreviation | Meaning |
|---|
| ***** | SISP | Shanghai Institute of Space Power Sources
| |
| **** | SISP | Sensecurity Institute Security Practitioner
| |
| **** | SISP | Strategic Information System Plan
| |
| *** | SISP | Smithsonian Institution Scholarly Press
| |
| *** | SISP | Specialized Instructional Support Personnel
| |
| *** | SISP | Self Injurious Skin Picking
| |
| *** | SISP | Sonic Information Sonic Pictures
| |
| ** | SISP | Student Internet Service Providings
| |
| ** | SISP | Satellite Internet Service Provider
| |
| ** | SISP | Source Input Select Panel
| |
| ** | SISP | Simplified Interface for Stochastic Programming
| |
| * | SISP | System Infrastructure Software Platform
| |
| * | SISP | Single Integrated Space Picture
| |
| * | SISP | Student Information Systems Project
| |
| * | SISP | Surface Imaging & Sounding Package
| |
| * | SISP | Systems Infrastructure Service Provisioning
| |
| * | SISP | Swedish Institute of Space Physics
| |
| * | SISP | Senior Independent Study Project
| |
| * | SISP | Southeastern Internet Service Providers
| |
| * | SISP | Software Infrastructure Service Provider
| |
| * | SISP | Summer Institute in Social Psychology
| |
| * | SISP | Super Intensive Supervision Program
| |
| * | SISP | Scottish Industrial Symbiosis Programme
| |
| * | SISP | social institutions support programme
| |
| * | SISP | Standards for In Situ Processing
| |