English abbreviations from ifaw to ifis
- IFAW (International Fund for Animal Welfare)
- IFB (Interrupted Feedback Broadcast)
- IFBC (Institute For Black Charities)
- IFBD (Institute for Business Development)
- IFC (Ignore File Check)
- IFCJ (International Fellowship of Christians and Jews)
- IFCN (International Federation of Clinical Neurophysiology)
- IFCP (Institute For Community Peace)
- IFCS (Improved/Integrated Fire-Control System)
- IFCU (International Federation of Catholic Universities)
- IFD (Idealism Frustration Despair)
- IFDP (Institute for Food and Development Policy)
- IFE (In-flight entertainment)
- IFEBP (International Foundation of Employee Benefit Plans)
- IFEL (Institute For Educational Leadership)
- IFF (Identification Friend or Foe)
- IFF/NCTR (Identification Friend or Foe/Non-Cooperative TaRget)
- IFF/SIF (Identification Friend or Foe/Selective Identification Feature)
- IFFC (Integrated Fire and Flight Control)
- IFFCC (Integrated Flight and Fire Control Computer)
- IFFD (International Federation for Family Development)
- IFFN (Identification, Friend, Foe, or Neutral)
- IFIP (International Federation of Information Processing)
- IFIS (Integrated Functional Imaging System)