| Acronym | Definition |
|---|
| CLSA➣Canadian Longitudinal Study on Aging |
| CLSA➣Canon Law Society of America |
| CLSA➣Credit Lyonnais Securities Asia (Hong Kong) |
| CLSA➣California Land Surveyors Association |
| CLSA➣Contact Lens Society of America |
| CLSA➣College of Literature, Science and the Arts (University of Michigan) |
| CLSA➣Courts and Legal Services Act of 1990 (UK) |
| CLSA➣Canadian Laboratory Suppliers Association |
| CLSA➣Cornell Law Student Association (Cornell Law School) |
| CLSA➣Conical Log-Spiral Antenna |
| CLSA➣Cooperative Logistics Support Arrangement |
| CLSA➣Closed-Loop Stripping Analyses |
| CLSA➣Common Language Switching Access (Sprint) |
| CLSA➣COMSEC Logistics Support Activity |