F/O

AcronymDefinition
F/OFind Out
F/OFather Of
F/OForward Observer (artillery)
F/OFiber-Optic
F/OFirst Officer
F/OFictional Other (online chat)
F/OFront Office
F/OFoldout
F/OFlight Officer
F/OFull Option (automobiles)
F/OFarm-Out (oil & gas)
F/OFuel to Oxidizer Ratio