Last name 雅克布 (Yakub 
, 雅克布) , worldwide, is a common cognomen. The cognomen 雅克布 is characteristic of Seychelles, where it is quite a common surname, Brunei, and Nigeria (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Nigeria, India, and Indonesia. Likewise, 雅克布 is the forename as well as the last name.