Family name Ninro (Ninro 
) , around the globe, is an extremely rare surname. The surname Ninro is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Honduras, and Venezuela, where it is an extremely rare surname. Much more prevalently, Ninro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ninro | Japan, Nicaragua, Honduras, India, Venezuela |