Cognomen Riyaan (Riyaan 
) , around the globe, is a very rare last name. The last name Riyaan is habitual in Saudi Arabia, where it is a rare surname, and India, where it is an extremely rare surname. More prevalently, Riyaan is the forename as well as the last name.
Rj, Bruyn, Dirie, Gupta, Shaikh, Bhatti, Parker, Pillay, Raffie, Davids, Jappie, Nipper, Hassen, Ukaiye, Mabutha, Mohamed, Janodien, Francis, Mohammed, Abrahams, Petersen, Issadeen, Brown, Maknojiya, Brink, April, Ali, Mohd, Mirz, Shah, Abdi, Ajaz, Khan, Ruun, Lang, Love, Jain, Noor, Hull, Malik, Mahri, Moosa, Meyer, Singh, Smith, Areff, Ahmed, Cabdi, and Cornelius