Update 5 January 2013: Now,Facebook don't allow to change your Facebook page name.However,If your page have fewer than 200 likes you can change it easily just by going to Edit Page>Update Info But you can't change the page name with 200 or more likes.
Although,If you accidentally selected a wrong or misspelled username for your Facebook page .You can change it by going to Edit Page>Update Info>Change Username>Check for your new user name availability and hit save! But note that you can change it only for once.
How To Change Your Facebook Page Name Officially?
1. At current time,you can only change your Facebook page name Not its Vanity URL/Username.The form looks like below.
2. If you select My business name has changed then you have to submit your new business name as well as its address.For ex.Any Bill.
3. If you select My Page name is misspelled,your request will be completed by them as soon as possible.So,better to select “My Page name is misspelled” in the last option saying “Why do you want to change you page name” to change your Facebook page name without any risk.
Recommended Post : Ultimate Guide To Secure Your Facebook Account [Must Read]

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hey govind choudhary many many thanks for good ideas. it's helpful for me now. i change my page name easily.
the link not working.. 🙁 can you please provide new working link ? because i want to change my page name.
@Rohit Thanks for notifying us.Just update the article! Thanks again for passing by 🙂
Hello, I am in desperate need for help. I opened a facebook fan "political page" (in Greek) and typed in the correct name and started to share our political party's ideas and thoughts through facebook, twitter etc. About two weeks ago, I decided to add to the name title that I am also a candidate Deputy Member. To make a very long story short, the political party's name has disappeared and the page name refers to only that I am a Deputy Member. PLEASE, is there any way to resore it immediately? Thanking you very kindly.
Hi Andy,
How much likes your page have at present? If its fewer than 200,you can change your Facebook Page Name anytime but no way for the pages having more than 200+ likes!Hope it helps 🙂