Throughout the world, Reby (Reby 
) is quite a rare gender-neutral forename. The forename Reby is habitual in Romania, where it is a rare female name, Philippines, where it is a rare gender-neutral name, and Italy, where it is a rare girly name. Measured by absolute frequency, it most frequently occurs in Philippines, Indonesia, and Italy. Likewise, Reby is the last name as well as the forename.