ICF is an acronym with several meanings:

• Inertial confinement fusion is a type of fusion reactor that intends to produce commercial power.
• The International Classification of Functioning, Disability and Health is a standardized text on disease.
• Insulated concrete forms are building construction systems that use concrete in a permanent form made of a rigid insulation such as polystyrene.
• Immunodeficiency, centromere instability and facial anomalies syndrome
• The International Canoe Federation.
• The International Curling Federation - now World Curling Federation (WCF)
• The International Cultural Foundation