Surname Siniora (السنيوره 
, السنيورة , Siniora 
) , worldwide, is quite a rare cognomen. The family name Siniora is characteristic of Northern Africa, particularly Libya, where it is quite a rare surname, Sudan, and Egypt, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Egypt, Sudan, and Iraq. Also, Siniora is the forename as well as the last name.