Callista comes from the Greek for "Most Beautiful" (kallistos). It is an uncommon name for girls.As a name it is derived from the Greek name of a huntress in the myth of Callisto, who was loved by Zeus. The name Callisto was changed to the common Callista for use as a name because in English Callista is the feminine form.Callista can be:

• An 1855 novel by John Henry Newman.
• Callista , a genus of bivalve
• A New Order Jedi character
• A reference to the character in the Greek Myth of Callisto
• One of the moons of Jupiter, discovered in 1610.
• 204 Kallisto, an S-type asteroid which was discovered in 1879.
• A Swat Kats character; the presumed ancestor of Deputy Mayor Callie Briggs.
• Callista Lour., a synonym of Dendrobium, an orchid genus.

Also see Calista Flockhart.