| Abbreviation | Definition |
|---|---|
| SPA | shrinking pleuritis with atelectasis |
| SPA | Single Point of Access |
| SPA | Small Practices Association |
| SPA | soluble protective antigen |
| SPA | spastic ataxia |
| SPA | sperm penetration assay |
| SPA | sphenopalatine artery |
| SPA | spinal anaesthesia |
| SPA | spondyloarthropathy |
| SPA | spontaneous physical activity |
| SPA | spontaneous platelet aggregation |
| SPA | staphylococcal protein A |
| SPA | structured professional activities |
| SPA | superficial palmar arch |
| SPA | supporting professional activities |
| SPA | suprapubic (bladder) aspiration |
| SPA | surfactant protein A |
| SPAIN | Social Policy Ageing Information Network |
| SPC | salicylamide, phenacetin and caffeine |
| SPC | salivary protein complex |