WNCA Full Form. Full Meaning of WNCA Find long form and abbreviation, slang or definition of WNCA. What does WNCA mean? What does WNCA 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.