Surname Siti Norayu (Siti Norayu 
) , globally, is an extremely rare cognomen. Much more frequently, Siti Norayu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siti Norayu | Malaysia |
Idris, Ismail, Mokhtar, Waluyob, Md Yusup, Bte Abu Samah, Mohd Jamil, and Mohd Rashid