WB, Wb, or wb may refer to many things among them: OrganizationsWarner Bros. - Large American film and television company.The WB Television Network - United States television network from 1995 - 2006.WB Channel - Indian english entertainment Channel from Warner Bros.Rwandair Express - Rwandan airline whose International Air Transport Association code is "WB".Wachovia, American banking chain whose former New York Stock Exchange ID is "WB".WB Mason, American office supply company.World Bank Group… (More on Wb)