LGE may refer to:
- Linear gingival erythema, a periodontal disorder found mainly in immunocompromised patients
- LG Electronics, a South Korean electronics company
- Louisville Gas & Electric, a utilities company based in Louisville, Kentucky
- Lebor Gabála Érenn, a Middle Irish collection of poems
- La Grande Encyclopédie, an encyclopedia published in France
- Lycée de Garçons Esch-sur-Alzette, a high school in Esch-sur-Alzette, Luxembourg
- Lateral ganglionic eminence, a developmental brain structure.
- Long Eaton railway station, National Rail station code LGE