Cognomen Venkatessan (Venkatessan 
) , globally, is a very rare last name. The surname Venkatessan is habitual in New Zealand, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. More frequently, Venkatessan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Venkatessan | New Zealand, India, United States, Malaysia |