Uileacu may refer to several places in Romania:

Uileacu de Beiuș is a commune in Bihor County Uileacu Şimleului, a village in Măeriște commune, Sălaj County Uileacu de Criş, a village in Tileagd commune, Bihor County Uileacu de Munte, a village in Paleu commune, Bihor County