Wikipedia
GCMS
GCMS may refer to:
- Gas chromatography–mass spectrometry, a chemical analysis technique
- Gibson City-Melvin-Sibley School District, a K-12 public school in Gibson City, Illinois
- Gosforth Central Middle School in Gosforth, Newcastle upon Tyne, England
- Great Cornard Middle School, a Suffolk 'state' school
- Global Cash Management System, a transfer cash tool in Internet