GMZ
GMZ stands for:
- La Gomera Airport in the Canary Islands (IATA code)
- Geiger-Müller counter tube (also called "Geiger counter"), physical measuring device for ionizing radiation
- Migros Cooperative Zurich
- Society for media, printing and newspaper publishing holdings , holding of the media group around the Berlin newspaper Der Tagesspiegel
- Grazer Mittags-Zeitung , former newspaper in Austria
- Greenwich Mean Time, see Greenwich Mean Time
- Green medicine , German hip-hop group
