BESR
| Acronym | Definition |
|---|---|
| BESR | Backup Exec System Recovery |
| BESR | Board on Earth Sciences and Resources (National Research Council; est. 1998; Washington, DC) |
| BESR | Ball Exit Speed Ratio (baseball) |
| BESR | Bank Payment Slip with Reference Number (investing) |
| BESR | Business Ethics and Social Responsibility (Israel) |