The meaning of the name Nia is Bright. The origin of the name Nia is Welsh. This is the culture in which the name originated, or in the case of a word, the language.
Welsh form of Niamh. Also a short form of names ending in nia. Also a Swahili name meaning "Purpose" Nia Vardalos, writer/actress. Nia Peeples, actress. Nia Long, actress.