Surname Yooni (Yooni 
) , around the world, is an extremely rare last name. The surname Yooni is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Mexico. Much more prevalently, Yooni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yooni | South Korea, Mexico, United States, India, Venezuela |