Alta \a-lta, al-ta\ as a girl's name (also used as boy's name Alta), is pronounced ALL-tah. It is of Latin origin, and the meaning of Alta is "high, elevated". Short form of Altagracia, a reference to the "high grace" of Mary, the mother of Jesus.
Alta has 2 variant forms: Allta and Altha.
Baby names that sound like Alta are Alda, Aleta and Alita.