Cognomen Ariyawansha (Ariyawansha 
) , around the world, is quite a rare family name. The surname Ariyawansha is habitual in Sri Lanka, where it is quite a common surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ariyawansha | Australia, Sri Lanka, United States |
Mohan, Sanjaya, Ruchira, Thilini, Thusith, Hasitha, Anjalika, Chandana, Chandika, Prageeth, Rakhitha, Darshani, Tharanga, Thilanka, Thushara, Madhusara, Sanchithya, Samuditha, Dhanushka, Thanushka, Sandini, Viduranga, Manjula, Ishani, Supun, Ruwan, Gayan, Gihan, Nimal, Isuru, Wiraj, Udana, Menaka, Mudith, Sandya, Saumya, Rusiru, Damith, Dumidu, Duglas, Lakmal, Nilani, Niluka, Upamal, and Udayanga Subhashana