| Acronym | Definition |
|---|
| GSE | Graduate School of Education |
| GSE | Group Study Exchange (Rotary International) |
| GSE | Ground Support Equipment |
| GSE | Ground Support Equipment (PGSE) Manual |
| GSE | grapefruit seed extract |
| GSE | Government Sponsored Enterprise |
| GSE | Generic Stream Encapsulation |
| GSE | Gluten-Sensitive Enteropathy |
| GSE | Global Solar Energy |
| GSE | GIAC Security Expert |
| GSE | Genetics Selection Evolution (publication; BioMed Central) |
| GSE | Geocentric Solar Ecliptic |
| GSE | Global Software Engineering |
| GSE | Golden State Exam (California standardized test) |
| GSE | Group of Scientific Experts |
| GSE | Government of the State of Eritrea |
| GSE | Genital Self-Examination |
| GSE | Ground Systems Engineering |
| GSE | Geological Survey of Ethiopia |
| GSE | Government-Supplied Equipment |
| GSE | Governor's School on the Environment (NJ) |
| GSE | Generic Substation Events |
| GSE | Graduate Systems Engineering |
| GSE | Gezamenlijke Stuurgroep Evenementen |
| GSE | Geological Survey of Egypt |
| GSE | Government Support Equipment |
| GSE | Got Someone Else |
| GSE | Global Sources Exhibitions |
| GSE | Guest Service Expert (job title) |
| GSE | General Somatic Efferents |
| GSE | General Sensory Efferent (nerve) |
| GSE | Global Sniper Elite (web forum) |
| GSE | (USN Rating) Gas Turbine System Technician (Electrical) |
| GSE | General Systems Engineer |
| GSE | Grove Scientific and Engineering (Orlando, FL) |
| GSE | Geschichte, Sozialkunde, Erdkunde (German: History, Social Studies, Geography) |
| GSE | Graduate School of Economics (various locations) |
| GSE | Generalized Self Esteem |
| GSE | Graduate School of the Environment (various schools) |
| GSE | Game Studio Express (software; Microsoft) |