Last name Arunakulasingam (Arunakulasingam 
) , around the globe, is an extremely rare cognomen. The cognomen Arunakulasingam is habitual in Northern Europe, particularly Norway, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Arunakulasingam | Norway |
Sharujan, Thilipen, and Kamalasingam