In all the world, Cosi (Cosi 
) is a rare gender-neutral given name. The forename Cosi is habitual in Italy, where it is a rare dominantly masculine, but infrequently female name, Australia, where it is a very rare gender-neutral name, and India, where it is a very rare mostly girly, but uncommonly boy's name. In absolute terms, it is commonest in India, Italy, and Indonesia. More prevalently, Cosi is the last name as well as the forename.