Cognomen Ganasen (Ganasen 
) , around the globe, is quite a rare last name. The family name Ganasen is habitual in Malaysia, where it is quite a rare surname, South Africa, where it is a rare surname, and Singapore. In absolute terms, this name is the most popular in Malaysia, South Africa, and India. Much less frequently, Ganasen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ganasen | Australia, South Africa, Singapore, India, Malaysia |