ZLS
| Acronym | Definition |
|---|---|
| ZLS | Zero Length String |
| ZLS | Zimmermann-Laband Syndrome |
| ZLS | Zion Lutheran School (various locations) |
| ZLS | Zero Length String (programming value) |
| ZLS | Zeeman Laser Scattering |
| ZLS | Zambia Library Service (est. 1962; Ministry of Education) |
| ZLS | Zanzibar Law Society (Tanzania) |
| ZLS | Zero-Lifetime Space (programming) |