Open Facebook and go to your profile
Tap or click Friends
Select the pencil icon or Manage
Choose Edit privacy
Set Who can see your friends list to Only me
Save your changes
On the Facebook app, go to Menu
Tap Settings & privacy
Tap Settings
Tap Audience and visibility
Tap How people find and contact you
Adjust friend list visibility if available
To hide a specific friend, remove them from your friends list
To limit what others see, review your profile privacy settings
Check individual posts and photos for audience settings
Use Restricted list if you want to limit what certain people can see