ZSR
| Acronym | Definition |
|---|---|
| ZSR | Z. Smith Reynolds (foundation; North Carolina) |
| ZSR | Zero State Response |
| ZSR | Zeleznice Slovenskej Republiky (railway of Slovakia) |
| ZSR | Zeta Sedimentation Ratio |
| ZSR | Zero State Response (electric circuitry theory) |
| ZSR | Zimbabwe Sugar Refineries |
| ZSR | Zajednica Srba Rijeka (Croatian: Rijeka Serb Community; Rijeka, Croatia) |