I'm not 100% sure about the rest of Canada, but in Quebec: If you pay a yearly fee to be a member of the professional order of engineers, you can call yourself

I'm not 100% sure about the rest of Canada, but in Quebec: If you pay a yearly fee to be a member of the professional order of engineers, you can call yourself an engineer. Sure, you have to have minimum a bachelor's from an accredited Canadian university, pass an ethics exam, and have supervised experience (or prove that you obtained the equivalent) to join in the first place, but if you don't pay the yearly fee you can only call yourself a "holder of an engineering degree".