Cognomen Wijewardhana (Wijewardhana 
) , around the world, is quite a rare last name. The cognomen Wijewardhana is habitual in Sri Lanka, where it is quite a common surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wijewardhana | Canada, Sri Lanka, United States, Australia |
| l. c. rohana wijewardhana Ph.D. Massachusetts Institute of Technology 1984 |
|
Nir, Indika, Uditha, Maneesh, Manjula, Sandaka, Shanaka, Surangi, Amalith, Asantha, Chanaka, Chanuka, Chamara, Chamari, Duvinda, Lakmali, Thamali, Thilini, Vihanga, Sathsara, Shyamali, Anuradha, Harsha, Nayomi, Naveen, Lahiru, Shane, Asela, Kasun, Kelum, Pasan, Dulaj, Gagan, Eesha, Inoka, Isuru, Chandana, Yasas, Anusha, Athula, Chamal, Pamath, Rohana, Deshan, Damith, Dasith, Dilini, Lakmal, Sanath, and Chathura