Pamphorichthys is a genus of poeciliids native to the Amazon, Paraguay, São Francisco and Itapicuru basins in South America.
Type species: Pamphorichthys minor
There are currently six recognized species in this genus:
- Pamphorichthys araguaiensis
- Pamphorichthys hasemani
- Pamphorichthys hollandi
- Pamphorichthys minor
- Pamphorichthys pertapeh
- Pamphorichthys scalpridens