Cognomen Flaht (Flaht 
) , around the globe, is an extremely rare surname. The family name Flaht is habitual in Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname. Much more frequently, Flaht is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Flaht | Germany, Poland, Canada, Democratic Republic of the Congo |