FY is an abbreviation for:

  • Fiscal Year, the tax year or the tax year in English-speaking countries
  • Namibia to the ICAO code
  • The post code area Blackpool ( Fylde ) (as first letter of a postal code in the United Kingdom)

Fy is an abbreviation for:

  • The Frisian language ( ISO 639-1 )

Fy denotes

  • Feynmanium ( 137Fy ) - an unofficial term for Untriseptium ( Uts ), the chemical element 137

FY as distinguishing signs on license plate:

  • Disambiguation
  • Abbreviation