| Rhenish Franconian | |
| Also Known As: | Rhenish-Franconian, Rhine Franconian, Rhine-Franconian |
| Region: | Rhineland-Palatinate, Saarland, Hesse, Lorraine, Alsace |
| Familycolor: | Indo-European |
| Fam3: | West Germanic |
| Fam5: | Central German |
| Fam6: | West Central German |
| Glotto: | rhin1244 |
| Glottorefname: | Rhenish Franconian |
| Map2: | Lang Status 80-VU.svg |
| Map: | Die Frankiese taalgebied.png |
| Mapcaption: | Rhenish Franconian among the Franconian languages. |
Rhenish Franconian or Rhine Franconian (German: Rheinfränkisch pronounced as /de/) is a dialect chain of West Central German. It comprises the varieties of German spoken across the western regions of the states of Saarland, Rhineland-Palatinate, northwest Baden-Württemberg, and Hesse in Germany. It is also spoken in northeast France, in the eastern part of the French: [[département]] of Moselle in the Lorraine region, and in the north-west part of Bas-Rhin in Alsace. To the north, it is bounded by the Sankt Goar line (or German: das–dat|italic=unset line) which separates it from Moselle Franconian; to the south, it is bounded by the Main line which is also referred to as the Speyer line which separates it from the Upper German dialects.