also: うじな
Please fill in your full name on the application form.
警察は被害者の氏名を公表した。
The police released the victim's name.
Please fill in your full name on the application form.
Stopped by a police officer, he stated his full name.
My name was confirmed at the reception desk.
A man whose name is unknown fled the scene.
氏名 is a formal term meaning 'full name' (surname plus given name), while 苗字 refers only to the surname part.