In this article, we'll explain how to change Facebook's privacy settings to limit who can look you up using your email address, phone number, or even a Google search of your name.
You can adjust privacy settings via Facebook.com in a web browser or via the Facebook mobile app. Here's how to control who can find you on the web:
In the top right corner, select the down arrow and choose Settings and privacy.
Select Settings from the drop-down menu.