Family name Kuffar (Kuffar 
) , in all the world, is a very rare last name. The cognomen Kuffar is habitual in Tanzania, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, it is commonest in Tanzania, the United States, and India. Very seldom, Kuffar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kuffar | Tanzania, Canada, United States, India, Turkey |