| Acronym | Definition |
|---|
| LSSC | Light Seal Support Craft |
| LSSC | Limited Systemic Sclerosis (disease) |
| LSSC | Life Skills Support Center (US military; mental health services) |
| LSSC | Logistics Systems Support Center |
| LSSC | Lake Superior State College (Michigan) |
| LSSC | Learning Support Services Center |
| LSSC | Logistics Support Status Code |
| LSSC | Launch Services Support Contract |
| LSSC | Lean Six Sigma Consulting (Green Cove Springs, FL) |
| LSSC | Little Sisters of St. Clare (religious order) |
| LSSC | Leon School and Sports College |
| LSSC | Logistic System Support Characteristics |