In all the world, ริโยะ (Rijo 
, ริโยะ) is quite a rare unisex first name. The first name ริโยะ is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare male name, Qatar, and Oman. Measured by absolute frequency, it is the most numerous in India, United Arab Emirates, and the Democratic Republic of the Congo. Also, ริโยะ is the last name as well as the forename.