ISAF may refer to:

• International Sailing Federation, former name for the world governing body for Olympic and other competitive sailing, now called World Sailing
• International Security Assistance Force, the NATO-led security mission operating in Afghanistan from 2001 to 2014
• International Shark Attack File, a global database of shark attacks set up in the 1940s, now maintained by the American Elasmobranch Society
• International Symposium on Alcohol Fuels, an international bi-annual conference on alcohol and bio-fuels, established in 1976
• Independent State Allied Forces, a fictional military group and alliance in the 2001 video game, Ace Combat 04: Shattered Skies

This disambiguation page lists articles associated with the title ISAF.
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