Surname シディキ (Sidiki 
, Siddiqui 
, シディキ) , throughout the world, is a widespread last name. The surname シディキ is characteristic of Western Asia, particularly United Arab Emirates, where it is a common surname, Saudi Arabia, where it is quite a common surname, and Qatar (explore the name in all countries). Measured by absolute frequency, it is commonest in Southern Asia, particularly India, Pakistan, and Bangladesh. Much less frequently, シディキ is the forename as well as the last name.