LEOS
| Acronym | Definition |
|---|---|
| LEOS | Lasers and Electro-Optics Society (IEEE) |
| LEOS | Low Earth Orbiting Satellite |
| LEOS | Lifelong Educational Opportunity Students |
| LEOS | Laboratory for Electro-Optics Systems (est. 1993; Indian Space Research Organisation; India) |
| LEOS | Law Enforcement Officer's Safety Act |
| LEOS | Laparoscopic Electrocautery of the Ovarian Surface (human reproduction) |
| LEOS | Long Eaton Operatic Society (UK) |