Cognomen ضیاء (Zia 
, ضیاء 
) , in the world, is a widespread family name. The cognomen ضیاء is characteristic of United Arab Emirates, where it is quite a common surname, Pakistan, and Oman (explore the name in all countries). In absolute terms, it most frequently occurs in Southern Asia, particularly Pakistan, Bangladesh, and Afghanistan. Also, ضیاء is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zia | Saudi Arabia, Bangladesh, Pakistan, Indonesia, Afghanistan |
| ضیاء | Iran, Saudi Arabia, Iraq, Egypt, Afghanistan |
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شہلا ضیاء Pakistani lawyer and activist, PK (b. 1940) |
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یاسین ضیاء former Chief of General Staff in Afghanistan, AF |
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علی ضیاء Iranian television presenter, film producer and presenter, IR (b. 1985) |
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| قاسم ضیاء Pakistani field hockey player, PK (b. 1961) |
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| مولانا عبید الرحمن ضیاء Pakistani islamic scholar, PK |
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| ضیاء حسین ضیاء PK |
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| اویس ضیاء cricketer, PK (b. 1992) |
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