Nia \nia\ as a girl's name is pronounced NEE-ah. It is of Gaelic and Swahili origin, and the meaning of Nia is "lustrous; goal, purpose". Also short form of names with the -nia ending, used as an independent name after the fashion of Mia. Actresses Nia Peeples, Nia Long.

Nia has 4 variant forms: Nea, Niah, Nya and Nyah.

Baby names that sound like Nia are Naia and Noa.