Busko (Polish: powiat buski) is a unit of territorial administration and local government (powiat) in Świętokrzyskie Voivodeship, south-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 only town is Busko-Zdrój, which lies 47 kilometres (29 mi) south of the regional capital Kielce.

The county covers an area of 967.39 square kilometres (373.5 sq mi).

These are listed in the following table, in descending order of population.