HSF

• Hazara Student Federation, Pakistan
• Hellenic Sailing Federation, Greece
• Herbert Smith Freehills, an Anglo-Australian law firm
• Hispanic Scholarship Fund, United States
• Home Service Force, of the British Army

• Heat shock factor, in molecular biology
• Houston Shakespeare Festival, Texas, US
• Human Social Functioning, in psychotherapy
• Suifenhe Airport, China (IATA:HSF)

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