ZSL
| Acronym | Definition |
|---|---|
| ZSL | Zoological Society of London (UK) |
| ZSL | Zjednoczone Stronnictwo Ludowe (Polish: United Peasant Party) |
| ZSL | Zylog Systems Limited (Edison, New Jersey) |
| ZSL | Zero Slot LAN |
| ZSL | Zenith Software Limited (est. 1996) |
| ZSL | Zuari Seeds Limited (India) |