Last name Daffen (Daffen 
) , in the world, is a very rare family name. The family name Daffen is habitual in Australia, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Brazil. Much less frequently, Daffen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daffen | Australia, United Kingdom, United States, Brazil |
| arthur daffen cricketer (1861-1938), GB (b. 1861) |
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| harold daffen Australian politician (1899-1984) (b. 1899) |
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