The abbreviation FO stands for:

  • The Regional Association of Westphalia -Lippe, based in Münster ( Westfalen)
  • Optical fiber, also known as a fiber optic cable
  • Length of the water line, the line in which the water level touches the hull

FO as distinguishing signs on license plate:

  • Germany: Landkreis Ludwigslust - Parchim
  • Poland: powiat Włodawski in the Lublin Voivodeship

See also

  • LWL -Klinik
  • Disambiguation
  • Abbreviation