* "The Chosen One" - This title is used by both his friends and his enemies, though it is more commonly used by Voldemort and his followers.
* "Potter" - This is a more general term used by many characters, both friendly and hostile.
* "The Boy Who Lived" - This is a title that still holds significant weight, though it's not used as frequently as in earlier books.
* "Harry" - Of course, his friends and family continue to use his name.
However, there's no specific new nickname given to Harry in this book.