Strzelin County[ˈstʂɛlʲin] (Polish: powiat strzeliński) is a unit of territorial administration and local government (powiat) in Lower Silesian Voivodeship, south-western Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. The county covers an area of 622.3 square kilometres (240.3 sq mi). Its administrative seat is the town of Strzelin, and its only other town is Wiązów.
As of 2019 the total population of the county is 43,713, out of which the population of Strzelin is 12,460, that of Wiązów is 2,241, and the rural population is 29,012.
The county is subdivided into five gminas (two urban-rural and three rural). These are listed in the following table, in descending order of population.