Can I change my name?
Solution 1:
According to various forums, there is no way to change your name (short of it being considered offensive somehow, and thereby getting it force-changed to something generic).
Some people have claimed that if you ask a GM nice and politely, they might change the name for you, but I haven't been able to find any confirmation of that ever actually happening.
It would seem that your only real course of action is to start over from scratch with a new character with a different name, unfortunately.
Solution 2:
This is now possible with a Name Change Pass which can be purchased in the Supply Depot for 3,500 energy.