SONC
| Acronym | Definition |
|---|---|
| SONC | Special Olympics Northern California |
| SONC | Special Olympics North Carolina |
| SONC | Statement of Net Cost (finance) |
| SONC | Sherman Oaks Neighborhood Council (quasi-city advisory board; Los Angeles, CA) |
| SONC | South Okanagan Naturalists Club (Penticton, British Columbia, Canada) |
| SONC | Second Order Necessary Condition (analytics) |