| Rank | Abbreviation | Meaning |
|---|
| ***** | SPNA | Sumika Polymers North America
| |
| **** | SPNA | Saskatchewan Psychiatric Nurses Association
| |
| **** | SPNA | Saab Parts of North America
| |
| **** | SPNA | School of Public and Nonprofit Administration
| |
| **** | SPNA | Special Protected Natural Areas
| |
| *** | SPNA | sylvan park neighborhood association
| |
| *** | SPNA | Status Process Not Able
| |
| *** | SPNA | Stuyvesant Park Neighborhood Association
| |
| *** | SPNA | South Park Neighborhood Association
| |
| *** | SPNA | student practical nurses association
| |
| *** | SPNA | South Portland Neighborhood Association
| |
| *** | SPNA | Southside Park Neighborhood Association
| |
| *** | SPNA | Spring Park Neighborhood Association
| |
| *** | SPNA | Socialist Party of North America
| |
| *** | SPNA | Secure Public Networks Act
| |
| *** | SPNA | Summit Park Neighborhood Association
| |
| *** | SPNA | Sympathetic nerve activity
| |
| *** | SPNA | Spruce Park Neighborhood Association
| |
| ** | SPNA | Stanton Park Neighborhood Association
| |
| ** | SPNA | Soapstone Prairie Natural Area
| |
| ** | SPNA | Specially Protected Nature Areas
| |
| ** | SPNA | San Pedro Neighborhood Association
| |
| ** | SPNA | Shelby Park Neighborhood Association
| |
| * | SPNA | Southern Pines Neighborhood Association
| |
| * | SPNA | Sucker Pond Neighborhood Association
| |