Fio

Fio or FIO may refer to:Fio Zanotti, Italian record producer FIO (software), the flexible IO tester created by Jens Axboe Florida Institute of Oceanography Fraction of inspired oxygen Flexible IO National Federation Of Industrial Organisations, former Japanese trade union federation Pemoline, a stimulant The East Slavic name format of family name, given name and patronymic Free In and Out, maritime freight rate term