| Jules Feller | |
| Birth Date: | 4 November 1859 |
| Birth Place: | Roubaix |
| Death Place: | Verviers |
| Language: | French and Walloon |
| Nationality: | Belgian |
| Genre: | Linguistics |
| Notableworks: | Essai d'orthographe wallonne, 1900 Notes de philologie wallonne, 1912 |
| Signature: | Jules Feller signature.png |
Jules Feller (4 November 1859 - 29 April 1940) was a Belgian academician and Walloon militant.
Jules Feller created the of spelling for the Walloon language. This is also used for writing the Picard language since a consensus arose between universities in favour of the written form known as Feller-Carton (based on the Walloon spelling system - which was developed by Feller and adapted for Picard by Prof. Fernand Carton).
He represented Verviers in the from 1919 until his death. He was a member of the Royal Academy of French Language and Literature in Belgium.