FFI

FFI may refer to:

In organizations:

• Faith Freedom International, a website critical of Islam created by Ali Sina
• Fauna and Flora International, a conservation group
• Finlay Forest Industries, a former Canadian forest products company
• Norwegian Defence Research Establishment (Forsvarets forskningsinstitutt), a Norwegian military R&D institute
• Franciscan Friars of the Immaculate, a Roman Catholic institute of religious life
• French Forces of the Interior (Forces Françaises de l'Intérieur), French resistance fighters during World War II
• Fuel Freedom International, a multi-level marketing company based in Florida

In entertainment:

• Festival Film Indonesia, the Indonesian annual Film Festival
• Final Fantasy (video game), or Final Fantasy I, the first video game in the Square RPG franchise
• Final Fight, a fighting action video game, sometimes abbreviated FFI to distinguish it from its sequels

In computing:

• Foreign function interface, an aid to interoperability between programming languages

In vexillology:

• Fellow Flag Institute, a name suffix used by fellows of the UK's national flag charity

In other uses:

• Fatal familial insomnia, a very rare inherited brain disease
• ffi (ffi), a common typographical ligature
• Fee for Intervention, a cost recovery scheme used by the UK Health and Safety Executive since October 2012 to penalise those found guilty of breaking health and safety laws