Cognomen Mamwell (Mamwell 
) , across the world, is a very rare surname. The family name Mamwell is characteristic of the United Kingdom, where it is a very rare surname, South Africa, and Australia. Not in comparison with a country's population, it is commonest in the United Kingdom, South Africa, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Mamwell | United States, United Kingdom, South Africa, Australia |