Surname Uguna (Uguna 
) , in all the world, is a rare cognomen. The cognomen Uguna is characteristic of Rwanda, where it is a rare surname, Nigeria, where it is a very rare surname, and Ecuador. Not in comparison with a country's population, it is the most numerous in Rwanda, Nigeria, and the United States. Also, Uguna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uguna | Rwanda, India, Ecuador, United States, Nigeria |