JNF Full Form. Full Meaning of JNF Find long form and abbreviation, slang or definition of JNF. What does JNF mean? What does JNF stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.