Olivia is a feminine given name in the English language. It is derived from Latin oliva "olive". The name was first popularised by William Shakespeare's character in the Twelfth Night, but in fact, the name occurs in England as early as the thirteenth century.
Olivia has been a popular name throughout the English-speaking world since the mid-1990s, and has been one of the most popular given names for baby girls in the United Kingdom for much of that time. In 2013, it was the third most popular name for girls in Australia. Olivia was the second-most popular name in the United States in 2018. Since 2014, Olivia has been the most popular given name to baby girls in the United Kingdom for four consecutive years running.