Across the world, Ниа (Nia 
, Ниа 
) is a widespread predominantly feminine, but very seldom masculine first name. The given name Ниа is habitual in Georgia, where it is a common girly name, Indonesia, where it is quite a common dominantly feminine, but seldom male name, and Brunei, where it is quite a common feminine name (explore the name in all countries). In absolute terms, it most frequently occurs in Indonesia, the United States, and Georgia. Very seldom, Ниа is the last name as well as the forename.
Ниа is also a name for the fictitious and mythical characters: Nia Nal , the fictional superhero from the TV series Supergirl; Nia Teppelin , the fictional character from Gurren Lagann; Nia , the fictional steam locomotive from Thomas & Friends and Nia Moseby , character in The Suite Life of Zack & Cody.