GDF

GDF may refer to:
 * Civic Democratic Forum (Građanski demokratski forum), a political party in Serbia
 * Gaz de France, a defunct French energy company
 * General Data Format for Biomedical Signals
 * Geographic Data Files
 * Geological disposal facility
 * Glasnost Defense Foundation, a Russian human rights organization
 * Global Development Finance, an economic database
 * Growth differentiation factor
 * Guardia di Finanza, an Italian law enforcement agency
 * Guduf-Gava language
 * Guyana Defence Force