Surname Venkatchalam (Venkatchalam 
) , all over the world, is a rare last name. The family name Venkatchalam is habitual in India, where it is a very rare surname, South Africa, where it is an extremely rare surname, and the United States. Likewise, Venkatchalam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Venkatchalam | United States, South Africa, India |