FIAS

FIAS can refer to:


 * Fédération Indochinoise des Associations du Scoutisme
 * Federazione Italiana Attività Subacquee
 * Fellow of the Islamic World Academy of Sciences (IAS)
 * Frankfurt Institute for Advanced Studies
 * Fédération Internationale Amateur de Sambo
 * Frederick Irwin Anglican School
 * Foreign Investment Advisory Service, a multi-donor service of the International Finance Corporation (IFC), a member of the World Bank Group.
 * Farnborough International Airshow