Zilpha
Zilpha is a given name. Close variations include Zilphia and Zilpah. Notable people with the name include:

Zilpah, mother of Gad and Asher in the book of Genesis
Zilpah P. Grant Banister (1794–1874), American educator
Zilpha Carruthers Franklin (1897–1975), American journalist, editor, government official
Zilpha Drew Smith (1852–1926), American social worker
Zilpha Elaw (c. 1790 – 1873), American Methodist missionary and writer
Zilpha Grant (1919–2011), English freestyle swimmer who competed for Great Britain in the 1936 Summer Olympics
Zilphia Horton (1910–1956), American musician, folklorist, activist
Zilpher Jennings (1928–1961), American Samoan politician
Zilpha Keatley Snyder (born 1927), author of books for children and young adults

Fictional characters 

 Zilpha Geary, played by Oona Chaplin in Taboo