| Acronym | Definition |
|---|
| SGNA | Society of Gastroenterology Nurses and Associates |
| SGNA | Nueva Asuncion, Paraguay (weather station location code) |
| SGNA | Sales and General Administration (expense) |
| SGNA | Southern Gwinnett Neighborhood Alliance |
| SGNA | System Group North America (Toronto, Canada) |
| SGNA | Subjective Global Nutritional Assessment |
| SGNA | Secretaría General Naval (Argentina) |
| SGNA | Sullivans Gulch Neighborhood Association |
| SGNA | Südliche Grafschaft Nassau |
| SGNA | Système Géodésique de Référence Nord-Américain |
| SGNA | Sherwood Glen Neighborhood Association |
| SGNA | South Gateway Neighborhood Association |
| SGNA | Stormrider Guide North America |
| SGNA | Southland Gulf Neuromuscular Association |
| SGNA | South Greenbriar Neighborhood Association |