Facebook groups have been so popular these days. To rename a facebook group one must be the administrator of the group. Without the administrator privileges a member or non-member cannot modify the group name.
How to rename Facebook Group
1. Login to your Facebook Account Page
2. Open the Particular Group which you want to rename and then click on the “Edit Group option” (as shown in the image below)
facebook rename How to rename a Facebook Group
Select Edit Group Option
3. In the opened page, you can see an option called Group Name, change it to your new group name.
Edit Group settings facebook How to rename a Facebook Group
Edit the Group name here
4. Click on the Save Button to apply the changes.