J2R Full Form. Full Meaning of J2R Find long form and abbreviation, slang or definition of J2R. What does J2R mean? What does J2R 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.