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