A fib is a form of lying that is usually forgiven because it is not intended to deceive.
Fib may also refer to:
==Culture== * Fib (poetry), a form of poetry * Festival Internacional de Benicàssim, a Spanish music festival * Folket i Bild, a former Swedish news magazine
== Medicine == * Fascia iliaca block * Fibula * Fibrillarin * Fibrillation * Fibrinogen
==Science and technology== * FiB index, or Fisheries in Balance index * Fibonacci number * Focused ion beam * Flying inflatable boat * Forwarding information base
== Other uses == * Barcelona School of Informatics (Catalan: '''') * First International Bank (Liberia) * Fires brigade, of the United States Army * First Investment Bank, a Bulgarian bank * International Federation for Structural Concrete (French: '') * Federation of International Bandy * Fédération Internationale de Boules, the highest international authority of bocce sports * Federal Investigation Bureau, in Austria * Kingdom of Fib, now Fife, Scotland * United Nations Force Intervention Brigade