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