Luz \luz\ as a girl's name is pronounced looz. It is of Spanish and Latin origin, and the meaning of Luz is "light". Also (Armenian) "moon". Biblical: an early name of the town of Bethel. Also a reference to the Virgin Mary as "Our Lady of the Light".
Luz has 3 variant forms: Luzelena, Luzette and Luziana.
For more information, see also related names Lucinda, Lucita and Lucy.