Frasinu River

Frasinu River may refer to:


 * Frasinu, a tributary of the Bistrița in Gorj County
 * Frasinu, a tributary of the Cracăul Alb in Neamț County
 * Valea Frasinului, a tributary of the Dâmbovița in Argeș County
 * Frasinu, a tributary of the Lotrioara in Sibiu County