Nichols' Gudgeon
Gnathopogon nicholsi
- Least concern
- Card rarity: Common
- Fish

Gnathopogon nicholsi is a species of ray-finned fish in the genus Gnathopogon endemic to the Yangtze River basin in China.
Classification
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Gobionidae
- Genus
- Gnathopogon