| Acronym | Definition |
|---|
| LSE➣London School of Economics & Political Science (London, England, UK) |
| LSE➣Lease (classifieds) |
| LSE➣London Stock Exchange |
| LSE➣Loose |
| LSE➣London South East (financial website; UK) |
| LSE➣Low Self-Esteem |
| LSE➣Lahore School of Economics (Pakistan) |
| LSE➣Life-Skills Education |
| LSE➣Life Skills Education (UNICEF) |
| LSE➣Low Surface Energy (physics) |
| LSE➣Least Squares Estimate |
| LSE➣Load-Serving Entity |
| LSE➣Lahore Stock Exchange (Pakistan) |
| LSE➣Local Search Engine |
| LSE➣Limited Signature Edition |
| LSE➣Liga Studentilor Electronisti (Romanian student league) |
| LSE➣Large Scale Event (various organizations) |
| LSE➣Large Scale Enterprise |
| LSE➣Life Support Equipment |
| LSE➣London School of English (London, England, UK) |
| LSE➣Language Sensitive Editor |
| LSE➣Living Skin Equivalent |
| LSE➣Lead System Engineer |
| LSE➣Landing Signal Enlisted |
| LSE➣Life Style Extra (UK) |
| LSE➣Logistics Support Element |
| LSE➣La Crosse, WI, USA - La Crosse Municipal (Airport Code) |
| LSE➣Leadership Self-Efficacy (management) |
| LSE➣Logistics Support Equipment |
| LSE➣Large-Sized Enterprise (Brussels, Belgium) |
| LSE➣Launch Support Equipment |
| LSE➣Local Software Economy |
| LSE➣Lincoln Southeast High School (Lincoln, Nebraska) |
| LSE➣Licensed Structural Engineer |
| LSE➣Local Subscriber Environment |
| LSE➣Laboratory Support Equipment |
| LSE➣Live Sheep Export |
| LSE➣Linux Software Encyclopedia |
| LSE➣Longitudinal Section Electric (mode) |
| LSE➣Limite Supérieure d'Explosibilité (French: Upper Flammable Limit) |
| LSE➣Left Sternal Edge (auscultation of heart sounds) |
| LSE➣Land Surface Experiment |
| LSE➣Least Side-Lobe Energy |
| LSE➣Log-Spectral-Error |
| LSE➣Local Surety Exercise |