FJO or fjo may refer to:
FJO Famous Jazz Orchestra, American band led by Vaughn Wiester FJO, post-nominals for the Order of Franz Joseph FJO, code for Ungmennafélagið Fjölnir sports club or its constituent sports teams Forum of Jewish Organisations, organization interfacing with the Coordinating Committee of Jewish Organizations in Belgium FJO, Royal Air Force squadron code for No. 29 Elementary Flying Training School RAF unit
fjo .fjo, file extension used by Fjölnir (programming language)
See also