How to Hide Facebook Lists
- 1). Choose "Account" on the top right of any Facebook page while you are logged in.
- 2). Click "Privacy Settings" on the menu.
- 3). Select "View Settings" under "Connecting on Facebook" near the top of the page.
- 4). Look for "See your friend list" on the left. When you find it, click the gray button on the right.
- 5). Click "Customize," and then click the "Make this visible to" drop-down list.
- 6). Select "Only Me" or if you want to make your friends list visible to certain people, click "Specific People" instead and enter their names.
- 7). Press "Save Setting."
Source...