| Acronym | Definition |
|---|
| SPiRiT | Sustainable Project Rating Tool |
| SPiRiT | Structure for Packaging, Integrating and Re-Using IP Within Tool-Flows |
| SPiRiT | Stroke Prevention in Reversible Ischemia Trial |
| SPiRiT | Special Purpose Integrated Remote Intelligence Terminal |
| SPiRiT | School for Postgraduate Interdisciplinary Research on Interculturalism and Transnationality (Denmark) |
| SPiRiT | Security Planning and Integrated Resources for Information Technology (DHS) |
| SPiRiT | Spatial Infrared Imaging Telescope |
| SPiRiT | Smart Passive Infrared Intruder Sensor Locator and Tracker |
| SPiRiT | Southwest Paranormal Information Research and Investigation Team |
| SPiRiT | Special People In Riding Therapy |
| SPiRiT | Students Playing Important Roles in Tradition |
| SPiRiT | Single Photon Ionization Resonant Ionization to Threshold (trace molecule analysis) |
| SPiRiT | Spectral Infrared Interferometric Telescope |
| SPiRiT | Sonoma Paranormal Independent Research Investigative Team (Santa Rosa, CA) |
| SPiRiT | System Parametric Information Relational Intelligence Tool |
| SPiRiT | Southern Paranormal Investigational Research in Tucson (Arizona) |
| SPiRiT | Software Process Improvement Representatives Introductory Training |
| SPiRiT | Sarasota Paranormal Investigation & Research Initiative Team (Florida) |
| SPiRiT | Southeastern Paranormal Interest Research and Investigation Team |