GDB or gdb may refer to:

GDB is the abbreviation used by the Girondins de Bordeaux GDB Human Genome Database GNU Debugger, a free and open-source debugger developed by the GNU Project Guide Dogs for the Blind, US .gdb, a filename extension used by ArcGIS Geodatabase Puerto Rico Government Development Bank Graph database, using graph structures GDB, chassis code for the second generation Subaru Impreza WRX Greg Brockman (born 1987), American entrepreneur also known as gdb