Around the globe, Thevadasan (Thevadasan 
) is an extremely rare masculine first name. More prevalently, Thevadasan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thevadasan | Singapore, Malaysia, India, Australia, South Africa |
Sarah, Britt, Nolan, Thinesh, Henrina, Henrina Mary, and Thangarajah