| Acronym | Definition |
|---|
| BLSE➣Bêta-Lactamases a Spectre Élargi (French: Extended Spectrum Beta-Lactamases; microbiology) |
| BLSE➣Banja Luka Stock Exchange |
| BLSE➣Battle Lab Support Element |
| BLSE➣Baltic Logistic System Eesti (Estonian: Baltic Logistic System Estonia) |
| BLSE➣Basic Life Skills Education (Secondary Education for Seniors; Suriname) |
| BLSE➣Basal Layer of Skin Epithelium |