Curtuiușu may refer to one of several places in Romania:

Curtuiușu Dejului, a village in Vad Commune, Cluj County Curtuiușu Mare, a village in Valea Chioarului Commune, Maramureș County Curtuiușu Mic, a village in Copalnic-Mănăștur Commune, Maramureș County Curtuiușu River