Globally, Rieva (Rieva 
) is a rare gender-neutral first name. The given name Rieva is characteristic of Indonesia, where it is a rare epicene name, Philippines, where it is a very rare female name, and the United States, where it is an extremely rare primarily girly, but very infrequently male name. In absolute terms, the name is most common in Indonesia, the United States, and India. Much more prevalently, Rieva is the last name as well as the forename.