Surname Kalulu-Sampaio (Kalulu-Sampaio 
) , around the world, is an extremely rare last name. The cognomen Kalulu-Sampaio 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 last name Kalulu, and a last name Sampaio.
| VARIANT | COUNTRY |
|---|---|
| Kalulu-Sampaio | United States |