Cognomen Chayro (Chayro 
) , globally, is an extremely rare surname. The surname Chayro is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname. More prevalently, Chayro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chayro | Nicaragua, Philippines, United States, India, Peru |