HFS

HFS may stand for:

• Hyperfine structure
• Hereditarily finite set
• Hexafluorosilicic acid
• WHFS (historic), 'HFS was a slang abbreviation for the radio stations with that call sign in the Washington / Baltimore area
• Hemifacial spasm, a neurologic disorder which causes involuntary spasms in one side of the face
• Hospitality Franchise Systems, (HFS) later Cendant
• Haddonfield Friends School, a Quaker school in Haddonfield, NJ
• Hatfield and Stainforth railway station, England; National Rail station code HFS

In computing

• Hardware Functionality Scan
• Hi Performance FileSystem, a file system used by the HP-UX operating system
• Hierarchical File System, a file system used by Apple Macintosh computers
• HTTP File Server
• FHFS, a software bundle of HFS adding FTP, SSL, and a variety of features.