Lf

Lf or LF may stand for:

Companies and organisations

• LeapFrog Enterprises, an educational toy company
• Lebanese Forces, a Lebanese political party
• Li & Fung, a company of Hong Kong
• Linux Foundation, a non-profit organization for the promotion of Linux
• LoveFilm, UK-based provider of home video and video game rental through DVD-by-mail and streaming video on demand
• People's Life First, a Japanese political party
• FlyNordic (IATA airline designator: LF), a defunct Swedish airline
• Nippon Broadcasting System, also known as JOLF, a radio station in Tokyo, Japan

Entertainment

• Laxius Force, a role-playing video game trilogy
• Libby Folfax, a character in Jimmy Neutron: Boy Genius
• Lifeforce (film), a 1985 film directed by Tobe Hooper
• Salamander (video game), an arcade game retitled Life Force

Science

• Lactoferrin, a protein
• Lateral flow test, an immunologic test
• Limestone filler, used in cement and concrete fabrication
• Line feed, a term used in typing and computing, also called newline, line break, or end-of-line
• Load factor (disambiguation)
• Logical form, the abstract form of a set of sentences in logic
• Logical Form, a level of syntactic representation in linguistics
• Logical framework
• London forces, intermolecular forces
• Low frequency, a radio frequency between 30 and 300 kHz
• Lymphatic filariasis, a disease common in tropical regions

Places

• Lakeland, Florida
• Livermore Falls, Maine
• Lambeau Field, a stadium in Green Bay, Wisconsin and the home of the Green Bay Packers

Other

• LF (album), an album by Raymond Lam
• Laissez-faire, an economic system
• Left fielder, a defensive position in baseball
• Lexical function, a tool for the description of semantic relationships
• Lexus LF, a concept automobile
• Missile launch facility, a structure for the launching of ICBMs