Southern straight-mouth nase
Pseudochondrostoma willkommii
- Near threatened
- Card rarity: Uncommon
- Fish

Pseudochondrostoma willkommii, the Southern straight-mouth nase, is a species of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related species. This species is endemic to the Iberian Peninsula in Spain and Portugal.
Classification
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Leuciscidae
- Genus
- Pseudochondrostoma