Worldwide, Theivanayagi (Theivanayagi 
) is a very rare female first name. Very seldom, Theivanayagi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Theivanayagi | Malaysia, India |
Suppiah, Adaikan, Ramasamy, Subramaniam, Pathmanathan, and Saravanaperumal