If you want to create separate Facebook accounts for your business and personal life, you'll need to use a different email address for each. While you can't use the same email address for more than one Facebook account, because Facebook only allows users to use one email address per account, there is a workaround that allows you to use the same email address for multiple Facebook accounts. If you are unable to create a second Facebook account with the same email address after trying our article through all the steps, then you need to contact a technician through Facebook Calling .