Olivia is a feminine given name in the English language. It is derived from Latin oliva, olive. Both Oliva and Olivia were Latinate forms in use in English-speaking countries as early as the 13th century. Olive was in common use as a vernacular form. Though not invented by William Shakespeare, the name was popularized by a character in Twelfth Night.

Olive is a feminine given name of English origin meaning olive tree. The name is associated with peace because of the symbolism of the olive branch. An olive wreath has traditionally been worn by champions as a symbol of victory. It has also been seen as a symbol of fruitfulness.