FIFO may refer to:
First in, first out First in, first out describes a method of managing items in storage: FIFO in stock rotation, particularly to avoid food spoilage FIFO (computing and electronics), a method of queuing or memory management Queue (abstract data type), data abstraction of the queuing concept FIFO (electronic), a digital circuit that stores and outputs data in the order received FIFO and LIFO accounting, methods used in managing inventory and financial matters
People Fifó (born 2000), Portuguese futsal player
Other uses FIFO (film festival) (Festival International du Film Documentaire Océanien), documentary film festival held in Tahiti FiFo Records, an American record label Fly-in fly-out, a human resources strategy for deployment of personnel to remote locations
See also LIFO (disambiguation) First expired, first out (FEFO) First come, first served