The Ilovlya (Russian: Иловля) is a river in Saratov and Volgograd Oblasts of Russia. It is a left tributary of the Don, and is 358 kilometres long, with a drainage basin of 9,250 square kilometres.
The average discharge is 9.6 cubic metres per second . The river is frozen over from December to March. In earlier times there was a portage here, between the watersheds of the Volga River and Don River.
