FO

FO can stand for:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• The Faroe Islands (ISO country code)
• Force Ouvrière, one of the five major French confederations of trade unions
• The British Foreign Office
• XSL-FO, or XSL Formatting Objects
• A Forward Observer, in military terms, a soldier who directs and adjusts artillery fire in the field
• The Furka-Oberalp-Bahn, a railroad operating in the Swiss Alps, now part of the Matterhorn-Gotthard-Bahn
• Frag.Ops (UT2004 MOD)
• An Army Field Officer
• An RAF Flying Officer

Fo can stand for:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• Fourier number, in physics

fo can stand for:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• The Faroese language (ISO 639 alpha-2)