KNF

KNF stands for:

Conjunctive normal form in propositional logic
Kuroda normal form in formal languages
Kernel normal form , programming style for formatting C code
KEPCO Nuclear Fuel , South Korean fuel company, subsidiary of Korea Electric Power Corporation
Komisja Nadzoru Finansowego , Official Polish Financial Market Authority
Cost-benefit factor in the area of transport infrastructure planning, see cost-benefit analysis
Kuki National Front , Liberation Organization in India, see Separatist Organizations in Northeast India
Kazakh Naval Forces , Kazakh Naval Forces , see Kazakh Armed Forces #Marine

RAF Marham (IATA code), British military air base

knf stands for:

Mankanja (ISO-639-3 code), Niger-Congo language of Guinea-Bissau, Senegal and Gambia