Leighlinbridge is a small village on the River Barrow in County Carlow, Ireland. It is 11 km south of Carlow town, on the R705 road. The N9 national primary route once passed through the village, but was by-passed in the 1980s. It covers the townlands of Leighlin and Ballyknockan. The village features narrow winding streets, grey limestone malthouses and castle ruins overlooking a 14th-century bridge across the River Barrow.