| Acronym | Definition |
|---|
| CLSR | Chiral Lanthanide Shift Reagent |
| CLSR | Career/Lifeskills Resources (Canada) |
| CLSR | Center for Leadership in School Reform (Schlechty Center; Louisville, KY) |
| CLSR | Canada Lands Surveys Records |
| CLSR | Computer Law and Security Report (now Computer Law & Security Review; Elsevier journal) |
| CLSR | Crystal Lake Scout Reservation (BSA) |
| CLSR | Computer Law & Security Review (formerly Computer Law & Security Report; Elsevier journal) |
| CLSR | Center for Leadership and Social Responsibility (University of Washington, Tacoma) |
| CLSR | Central London School of Reflexology (London, England, UK) |
| CLSR | Computer Law Service Reporter |