Surname সাদিয়া (Sadia 
, Saadia , সাদিয়া ) , in the entire world, is a common family name. The surname সাদিয়া is characteristic of Bangladesh, where it is quite a common surname, Israel, and Ivory Coast, where it is quite a rare surname. In absolute terms, it most frequently occurs in Bangladesh, Nigeria, and Ethiopia. More frequently, সাদিয়া is the forename as well as the last name.