Well, she's thought about it!
In a recent interview with Nolton magazine, Miley revealed that she thought about going by just her first name at one time.
"I was thinking about dropping the Cyrus and just being Miley but there's something powerful about the fact that my name now is like a household name," she said.
"People have this misconception of me that I'm just one of these kids on TV and that now I go off and party and I'm just this ratchet white girl, and I'm not."
We think Miley could totally pull off one name! Plus, she's getting married to Liam Hemsworth soon so she'll have to worry about changing her name then too!
Do you think Miley should drop her last name?