| SPIDER | Segmented Planar Imaging Detector for Electrooptical Reconnaissance 
| Others |
| SPIDER | Self Propelled Instrument for Damage Evaluation and Repair
| Others |
| SPIDER | Simple Presence in-Lane Detection Event Reporting
| Others |
| SPIDER | SPAWAR PEO Integrated Data Environment and Repository
| Others |
| SPIDER | Strategic Passionate Innovative Dynamic Energized And Resourceful
| Others |
| SPIDER | Strathclyde Personal Interactive Development and Educational Resource
| Others |
| SPIDER | Synergetic Practiced Independent Developed Exploration Rubric
| Others |
| SPIDER | The Strathclyde Personal Interactive Development And Educational Resource
| Others |