Surname Owusu-Baah (Owusu-Baah 
) , across the world, is a rare family name. The surname Owusu-Baah is habitual in Ghana, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in Ghana, the United States, and Canada. Parts of the name also exists independently as a last name Owusu, and a last name Baah.
| VARIANT | COUNTRY |
|---|---|
| Owusu-Baah | United Kingdom, United States, Ghana, Canada |