Jarosà Âaw County () is a unit of territorial administration and local government (powiat) in Subcarpathian Voivodeship, south-eastern Poland, on the border with Ukraine. 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 Jarosà Âaw, which lies east of the regional capital Rzeszów. The only other towns in the county are Radymno, lying south-east of Jarosà Âaw, and Pruchnik (a town since 2011).
The county covers an area of . As of 2019 its total population was 120,462, out of which the population of Jarosà Âaw was 37,585, that of Radymno was 5,279, that of Pruchnik was 3,764, and the rural population was 73,834.
Jarosà Âaw County is bordered by Przemyà Âl County to the south, Przeworsk County to the west and Lubaczów County to the east. It also borders Ukraine to the east.
The county is subdivided into 11 gminas (two urban, one urban-rural and eight rural). These are listed in the following table, in descending order of population.
<br>