GRF

GRF greystone reaction force
 * Gaussian random field
 * Global Relief Foundation
 * Grifols, a European pharmaceutical company
 * Ground reaction force
 * Gonadotropin-releasing hormone
 * Growth hormone-releasing factor
 * Gray Army Airfield, in Washington, United States
 * Groupement des Radiodiffuseurs Français de l’UER, a French public radio and television broadcasting organisation
 * Gold Refining Forum forum for professional and amateur refiners.