GDE or gde may refer to:
Science and technology Global Design Effort, a team tasked with designing the International Linear Collider Global digital exemplar, an NHS project to facilitate the transfer of knowledge from digitally advanced trusts to those less advanced Glycogen debranching enzyme, a molecule that helps facilitate the breakdown of glycogen Gnome desktop environment, GNOME a desktop environment for Linux and most BSD derivatives Gas diffusion electrode, electrodes with a conjunction of a solid, liquid and gaseous interface Google Developer Expert, a certification by Google
Other uses Gauteng Department of Education, South Africa Gode Airport (IATA code GDE), Ethiopia Guangdong Enterprises, a former name for Guangdong Holdings Gungahlin Drive Extension, a road project in Canberra, Australia Gude language (ISO 639-3 code)