Sudzha is a town and the administrative center of Sudzhansky District in Kursk Oblast, Russia, located on the Sudzha and Oleshnya rivers 105 kilometers (65 mi) southwest of Kursk, the administrative center of the oblast. It has a population of 5,127 people. It is the natural gas exchange feeder where the Trans-Siberian pipeline meets the Brotherhood pipeline. The town was occupied by Ukrainian forces between 15 August 2024 and 12 March 2025 as a result of an incursion into the region.