The meaning of the Acronym ISF is...

ISF is

• Internal Security Force

More Meanings For ISF:

• Imaging Science Foundation
• International Student Friendship
• Imperial Strike Force
• Interdisciplinary Studies Field
• Initial Submittable File
• Introduction To Structure And Function
• The International Shintaido Federation
• International Snowboard Federation
• Isf Stands For
• International Shooters Force
• The Information Security Forum
• International Selection Fund
• Integrated Support-Fielding
• Intelligent Strong And Fast
• Industrial Space Facility

ISF is also in:

• Firms
• Military
• NASA
• Unfiled
• Universities