Fib or FIB may refer to:
Places Kingdom of Fib, now Fife, Scotland
Arts, entertainment, and media Fib (poetry), a form of poetry Festival Internacional de Benicàssim, a Spanish music festival Folket i Bild, a Swedish news magazine
Enterprises First International Bank (Liberia) First Investment Bank, a Bulgarian bank
Medicine Fascia iliaca block Fibrillarin Fibrillation Fibrinogen Fibula
Science and technology FiB index, or Fisheries in Balance index Flying inflatable boat Focused ion beam Forwarding information base Fluoride-ion Battery
Sport Federation of International Bandy Fédération Internationale de Boules, the highest international authority of bocce sport
Other uses Fib (lie), a form of bending the truth that is usually forgiven because it is not intended to deceive Barcelona School of Informatics (Catalan: ) Fires brigade, of the United States Army International Federation for Structural Concrete (French: ) United Nations Force Intervention Brigade Federal Investigation Bureau, parody of the Federal Bureau of Investigation in the Grand Theft Auto video game series