Zilpha \z(i)-lpha, zil-pha\ as a girl's name is of Hebrew origin. Biblical name revived in the 18th century, but becoming more uncommon. Children's author Zilpha Keatley Snyder.
Zilpha has 3 variant forms: Zilpah, Zillpha and Zylpha.
Baby names that sound like Zilpha are Zilvia, Silva, Silvia, Silvya and Zylvia.