In the entire world, Riwan (Riwan 
) is quite a rare gender-neutral first name. The forename Riwan is characteristic of Indonesia, where it is a rare primarily male, but very infrequently female name, Egypt, where it is a rare feminine name, and Saudi Arabia, where it is a rare boy's name. In absolute terms, the name is most common in Indonesia, India, and Egypt. Much less frequently, Riwan is the last name as well as the forename.