CNF

CNF may refer to:


 * Carbon-neutral fuel
 * Cloud-Native Network Function, emerging technology in cloud computing
 * Belo Horizonte International Airport, Brazil, IATA code CNF
 * Chomsky normal form, in formal language theory, first described by Noam Chomsky
 * Configuration file, in computing, typically with file extension .cnf, .conf, .cfg, .cf, or .ini
 * Conjunctive normal form, also known as clausal normal form, in Boolean logic
 * Constant weight without fins, a freediving discipline in which usage of fins or change of ballast is prohibited

Organizations

 * Caucasus Nature Fund, a German non-profit supporting protected areas in Transcaucasia
 * Club Nacional de Football, Uruguayan football team
 * Comité National Français, a provisional government of Free France led by Charles de Gaulle
 * Commonwealth Naval Forces, former name of the Royal Australian Navy
 * Cornell NanoScale Science and Technology Facility, at Cornell University, member of the National Nanotechnology Coordinated Infrastructure

Science

 * Carbon nanofiber, cylindrical nanostructures with graphene layers
 * Cellulose nanofibre, a type of nanocellulose
 * Cytotoxic necrotising factor family, members of which are referred to as CNF followed by a number
 * Cyanogen fluoride, a cyanide compound with the chemical formula CNF