Surname Kannan-Shanmugadas (Kannan-Shanmugadas 
) , worldwide, is an extremely rare last name. The surname Kannan-Shanmugadas is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Kannan, and a first name Shanmugadas.
| VARIANT | COUNTRY |
|---|---|
| Kannan-Shanmugadas | United States |