Surname נירו (Niro 
, Nyro 
, נירו 
) , in the world, is a common last name. The family name נירו is habitual in Qatar, where it is quite a rare surname, Sri Lanka, and Italy. Measured by absolute frequency, it most frequently occurs in Italy, Sri Lanka, and Philippines. More frequently, נירו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niro | Japan, Italy, Sri Lanka, India, Philippines |
| Nyro | France, Brazil, United States, Finland, Philippines |
| נירו | Israel |