- FTW (Flying Training Wing)
- FTX (Owando Airport)
- FTY (Fulton County Airport (Brown Field))
- FU (Smoke (METAR Code))
- FUA (The Fuel Use Act (US))
- FUAC (Functional Area Code)
- FUB (Fulleborn Airport)
- FUBA (Friends United Block Association)
- FUBAR (Fouled/Fucked Up Beyond All Reason/Recognition/Repair)
- FUBU (Farmers Used to Beat Us)
- FUC (Father Urios College)
- F.U.C.K. (Fornication Under Consent (of the) King - Always used correctly by an NCO as a Verb, Noun, Adjective, Adverb, Pronoun, Preposition, Conjunction,Interjection.)
- FUCK (For, Unlawful, Carnal, Knowledge (Van Halen album title))
- FUCO (Foreign Utility Company)
- FUCT (Fabulous Unnamed Chicago Tournament)