In Facebook, how to make your account not that visible to everyone?

To hide yourself so people cant see you in your friends list , don’t be there friend if your profile is private . They wont be able to look at it is they inturn add you as a friend , you have the ability to just click no .

Go to http://www.facebook.com/privacy/?view=profile and uncheck everything that you don’t want to be seen.

Let’s say I have 2 people who know each other. I’ll be in friend As facebook, but I don’t want friend B to know I have an account. Friend A promised not to tell but, won’t Friend B know theres such an account when B is in Friend As account?

Select “Friends -> Only Friends” to avoid that.

Here is the best article explaining everything you need to know, How to Use Facebook Privacy Settings and Avoid Disaster.

10 privacy settings every facebook user should know