Worldwide, رويز (Ruiz 
, Ruíz , رويز 
) is quite a rare gender-neutral first name. The forename رويز is habitual in Latin America and the Caribbean, particularly Guadeloupe, where it is quite a common girly name, Guatemala, where it is quite a rare epicene name, and Panama. Measured by absolute frequency, it is commonest in the Democratic Republic of the Congo, Philippines, and Guatemala. More frequently, رويز is the last name as well as the forename.
رويز is also a name for the fictitious and mythical characters: Ruiz , the operatic character in the opera Il trovatore by Giuseppe Verdi; Manrico's henchman.