Surname تجاني (تجاني 
) , in the entire world, is quite a common cognomen. The cognomen تجاني is characteristic of Northern Africa, particularly Sudan, where it is quite a common surname, Libya, where it is quite a rare surname, and Algeria. In absolute terms, the name is most common in Sudan, Algeria, and Saudi Arabia. Likewise, تجاني is the forename as well as the last name.