He went by the nickname “Barry” when he was younger. His stepfather’s last name was “Soetoro.” Answer Man over at the Belleville News-Democrat explains this allegation here. Essentially, it’s another move by birthers to claim Barack Obama is a super-secret, undercover Muslim and changed his name because Muslim, you guys.
So no. He didn’t change his name. You know who did? Michelle Robinson. Now, she’s MICHELLE OBAMA!