FLR is an abbreviation for:

  • Female- Led Relationship, wife of the particular relationship; see gender role
  • Fire control radar, the steering of radar guided missiles and anti-aircraft guns
  • Florence airport, an Italian commercial airport in Florence after the IATA code
  • Free List Reißeck, independent voters list in the Austrian town of Reißeck
  • Ken Ishii, pseudonym of a Japanese techno DJ and producer
  • Disambiguation
  • Abbreviation