Surname أوسا (Osa 
, Ossa 
, أوسا) , around the world, is a common family name. The cognomen أوسا is characteristic of Colombia, where it is quite a common surname, Equatorial Guinea, and Gabon (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Colombia, Egypt, and Nigeria. Much less frequently, أوسا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osa | Colombia, Spain, Egypt, India, Nigeria |
| Ossa | Colombia, Egypt, India, Democratic Republic of the Congo, Nigeria |