Family name Синтия (Cynthia 
, Cintia , Sintiya 
) , across the world, is a widespread cognomen. The surname Синтия is habitual in Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Argentina, and Honduras (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Mexico, Nigeria, and Argentina. More frequently, Синтия is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cynthia, Cintia | Brazil, Argentina, United States, Mexico, Philippines |
| Sintiya | Nigeria, Indonesia, United States, Philippines, India |
| Синтия | Kyrgyzstan, Bulgaria, Russia |