Biłgoraj County (powiat biłgorajski) is a unit of territorial administration and local government (powiat) in Lublin Voivodeship, eastern Poland. It was established on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Biłgoraj, which lies 79 km south of the regional capital Lublin. The county contains three other towns: Tarnogród, lying 21 km south of Biłgoraj, Józefów, lying 24 km east of Biłgoraj, and Frampol, 16 km north of Biłgoraj.
The county covers an area of 1677.79 km2. As of 2008, its total population is 103,661, which includes 26,306 in Biłgoraj, 3,333 in Tarnogród, 2,486 in Józefów, 1,428 in Frampol, and a rural population of 67,596.
Biłgoraj County is bordered by Lublin County and Krasnystaw County to the north, Zamość County and Tomaszów Lubelski County to the east, Lubaczów County and Przeworsk County to the south, Leżajsk County to the south-west, Nisko County to the west, and Janów Lubelski County to the north-west.
