Cognomen Flacha (Flacha 
) , throughout the world, is an extremely rare family name. The surname Flacha is habitual in Malaysia, where it is an extremely rare surname, and the United States. Much more frequently, Flacha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Flacha | Malaysia, Poland, United States, Spain |