| Acronym | Definition |
|---|
| SPIN | Software Process Improvement Network |
| SPIN | Service Provider Identification Number (cellular service) |
| SPIN | Sponsored Programs Information Network |
| SPIN | Superannuation Product Identification Number (Australian pensions) |
| SPIN | Shared Pathology Informatics Network |
| SPIN | Social Phobia Inventory |
| SPIN | Special Parent Information Network (Hawaii) |
| SPIN | Strategic Press Information Network |
| SPIN | Society of Public Information Networks (Not-for-profit company of 200 UK Organisations involved in the electronic public information sector) |
| SPIN | Silk Painters International |
| SPIN | Situation, Problem, Implication, Need-payoff (book by Neil Rackham) |
| SPIN | Science Policy Information News (Wellcome Trust, UK) |
| SPIN | Spatial Indicators (for European Nature Conservation) |
| SPIN | Spherical Projection Interface |
| SPIN | Saturnus Personal Internet Navigator |
| SPIN | Space Intercept |
| SPIN | Scalable, Programmable, Integrated Network |
| SPIN | Senate Interplanetary Intelligence Network (Star Wars) |
| SPIN | Standard Prescriber Identification Number |
| SPIN | Supply Partner Information Network (DaimlerChrysler supplier network) |
| SPIN | Special Instruction Set |
| SPIN | Sensor, Positioning, and Identification Network |
| SPIN | Strategies and Policies for Informatics (UN) |
| SPIN | Samodzielny Proprzemyslowy Instytut Naukowy (Polish: Scientific Proindustrial Independent Institute) |
| SPIN | Spinning Program Instructor Network (indoor cycling) |
| SPIN | Searchable Physics Information Notes |
| SPIN | Solution Provided Information Network |
| SPIN | Strategic Placement of Inventory |
| SPIN | Système de Protection Intégré Numérique (French: Digital Integrated Protection System) |
| SPIN | Solutions for Presenting Information on Networks |
| SPIN | Small Plot Intensive Farming (food production) |
| SPIN | Sandwell Public Information Network (UK) |