Cognomen Boa-Amponsem (Boa-Amponsem 
) , in all the world, is a rare last name. The cognomen Boa-Amponsem is characteristic of Ghana, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and South Africa. Not in comparison with a country's population, it is the most numerous in Ghana, the United States, and the United Kingdom. Parts of the name also exists independently as a last name Boa, and a last name Amponsem.
| VARIANT | COUNTRY |
|---|---|
| Boa-Amponsem | United Kingdom, United States, Ghana, South Africa |