JFS may refer to:
Computing JavaServer Faces, Java web application framework Journaling file system, a type of file system JFS (file system), a journaling file system by IBM Veritas File System, another journaling file system called JFS and OnlineJFS in HP-UX
Organisations Jabhat Fateh al-Sham, a Salafist jihadist rebel group fighting in the Syrian Civil War Jewish Family Services, former name of the Jewish Board of Family and Children's Services John Fishwick & Sons, an English bus company JFS (school), a Jewish secondary school in North London, England The John Fisher School, a Catholic school in Purley, Surrey, England
People John Flammang Schrank, a German-American tavern owner who attempted to assassinate former US President Theodore Roosevelt in 1912
Publications Journal of Food Science Journal of Forensic Sciences Journal of Futures Studies
Machines Jet fuel starter, device that provides energy for functions other than propulsion.
See also JFFS, a journaling file system