Jijia (Ukrainian: Жижия) is a river in Ukraine and the Moldavia region of Romania. It rises in Ukraine at an altitude of 410 metres, flows south in Botoşani County through the town of Dorohoi and meets the Prut in Gorban, Iaşi County. It has a length of 275 km and a drainage area of 5757 km².

Major tributaries are the Sitna, Miletin and Bahlui rivers.