Golub-Dobrzyń County (powiat golubsko-dobrzyński) is a unit of territorial administration and local government (powiat) in Kuyavian-Pomeranian Voivodeship, north-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is the town of Golub-Dobrzyń, which lies 30 km east of Toruń and 71 km east of Bydgoszcz. The only other town in the county is Kowalewo Pomorskie, lying 13 km north-west of Golub-Dobrzyń.
The county covers an area of 612.98 km2. As of 2019 its total population is 45,059, out of which the population of Golub-Dobrzyń is 12,563, that of Kowalewo Pomorskie is 4,130, and the rural population is 28,366.
Golub-Dobrzyń County is bordered by Wąbrzeźno County to the north, Brodnica County to the north-east, Rypin County to the east, Lipno County to the south and Toruń County to the west.
