YBG Views 6 meanings found YBG is used for a variety of purposes, from a business simulation event in Yokohama and a shorthand for ‘your best guess’ to business and builder groups, and even as a regional code for Bagotville, Quebec. Miscellaneous Young Builders Group Yvon Born Green Academic & Science Your Best Guess Regional Bagotville, Quebec, Canada Business Yokohama Business Game Young Business Group