| CLSC | Cadillac and La Salle Club 
| Others |
| CLSC | Career and Life Studies Certificate
| Others |
| CLSC | Career Life Studies Certificate
| Others |
| CLSC | Center Local de Services Communautaires
| Others |
| CLSC | Centre Local de Service Communautaire
| Others |
| CLSC | Centre Local De Services Communautaires
| Others |
| CLSC | Centres locaux de services communautaires
| Others |
| CLSC | Certified Lactation Specialist Course
| Others |
| CLSC | Chauffeured Limousine Service Company
| Others |
| CLSC | Chautauqua Literacy and Scientific Circle
| Others |
| CLSC | Chautauqua Literary and Scientific Circle
| Others |
| CLSC | Chicanx Latinx Student Center
| Others |
| CLSC | Chinese Language School of Columbia
| Others |
| CLSC | Commercial Loan Service Center
| Others |
| CLSC | Community Leadership and Social Change
| Others |
| CLSC | Complete Local Specialty Care
| Others |
| CLSC | Controlled Low Strength Concrete
| Others |
| CLSC | Czech Limousine Service Company
| Others |