How can you change the name on your World of Warcraft account

There are only a few very strict ways that Blizzard will allow you to change the name of the account holder. One of them might be if you have a minor son/daughter that is playing on your account (which is the only time you are allowed to have someone share your account), and they become of age (18 possibly) and you give them the account. For a situation like this you will need to contact Billing and Account services for Blizzard and talk to them to see if they will change the name. Other than that, there is not any way to change the name.