English abbreviations from fyfa to fzs
- FYFA (Fairfax Youth Fastpitch Association)
- FYI (For Your Information)
- FYI&A (For Your Information and Action)
- FYIAP (Five Year Interoperability Assurance Plan)
- FYIP (Fairbury Youth Involvement Program)
- FYL (Framingham Youth Lacrosse)
- FYM (Fayetteville Municipal Airport)
- FYN (Fuyun Airport)
- FYO (Federated Youth Organization)
- FYP (Five Year Plan)
- FYQA (First Year Queers and Allies (NYU))
- FYR (First Year Required)
- FYROM (Former Yugoslav Republic of Macedonia)
- FYSA (For Your Situational Awareness)
- FYT (Faya-Largeau Airport)
- FYTP (Five Year Test Plan)
- FYU (Fort Yukon Airport)
- FYV (Drake Field)
- FZ (Float Zone)
- FZDZ (Freezing Drizzle (METAR Code))
- FZFG (Freezing Fog (METAR Code))
- FZI (ForschungsZentrum Informatik)
- FZO (Bristol Filton Airport)
- FZRA (Freezing Rain (METAR Code))
- FZS (Far Zone Scattering)