All over the world, Olliver (Olliver 
) is a rare male first name. The first name Olliver is habitual in Sweden, where it is a rare male name, Mexico, where it is a very rare boy's name, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in Brazil, Mexico, and Sweden. More frequently, Olliver is the last name as well as the forename.