Piabucina is a genus of freshwater fishes found in Central and South America. The nine currently recognized species in this genus are:
* Regan, 1903
* Fowler, 1911
* W. A. Bussing, 1967
* Boulenger, 1887
* Valenciennes, 1850
* Boulenger, 1899
* T. N. Gill, 1877
* Regan, 1903
* Günther, 1864