Cognomen حمدانی (Hamdani 
, حمدانی 
) , in all the world, is a common family name. The last name حمدانی is characteristic of Brunei, where it is quite a common surname, Indonesia, and Tunisia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Indonesia, Algeria, and Pakistan. Very seldom, حمدانی is the forename as well as the last name.