Surname Osei-Gyamfi (Osei-Gyamfi 
) , around the globe, is a rare last name. The family name Osei-Gyamfi is habitual in Ghana, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Osei, and a last name Gyamfi.
| VARIANT | COUNTRY |
|---|---|
| Osei-Gyamfi | United States, Ghana, United Kingdom |