Uzunköprü is a town in Edirne Province in Turkey. It is named after a historical stone bridge, claimed to be the world's longest, on the Ergene River. It is a strategically important border town, located on the routes connecting Turkey to the Balkans and Europe. It is the seat of Uzunköprü District. Its population is 39,577 (2022). Uzunköprü is the third most populous town of Edirne Province.
The town is served by Uzunköprü railway station.