Family name Knaffl (Knaffl 
) , worldwide, is a very rare surname. The surname Knaffl is characteristic of Croatia, where it is a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Knaffl | Croatia, Germany, United States |
| joseph knaffl American photographer (1861-1938), US (b. 1861) |
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