Cognomen Hannl (Hannl 
) , throughout the world, is a rare surname. The cognomen Hannl is habitual in Austria, where it is quite a rare surname, Hungary, where it is a rare surname, and Germany, where it is a very rare surname. Very seldom, Hannl is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hannl | Myanmar, Austria, Germany, Hungary, South Africa |
| maximilian joseph hannl Austrian painter, AT (b. 1694) |
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| max hannl (1696-1758) (b. 1696) |
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