IFI
IFI may refer to:

 Ifield railway station, West Sussex, England (National Rail station code IFI)
 Iglesia Filipina Independente (Philippine Independent Church)
 Illinois Family Institute
 Industrial Fasteners Institute, the Independence, Ohio based trade and standards organization and publisher.
 InnerChange Freedom Initiative, a Christian prisoner program
 International Federation of Interior Architects/Designers, a global interior architecture/design umbrella organization
 International financial institutions, as in the IMF, the World Bank, etc.
 International Fund for Ireland, inter-governmental agency promoting reconciliation in Ireland
 Institut de la Francophonie pour l'Informatique, the Francophone Institute for Computer Science.
 Institut Français d'Indonésie, a French cultural institution located in Indonesia.
 Institut de Formation Internationale, a business school located in Rouen, France.
 Irish Film Institute, a cinema and national body based in Dublin, Ireland.
 Islamic Foundation of Ireland, a religious organization in Dublin, Ireland