Javanrud County () is in Kermanshah province, Iran, part of what is unofficially referred to as Iranian Kurdistan. Its capital is the city of Javanrud.
After the 2016 National Census, the village of Sharvineh was elevated to the status of a city.
At the time of the 2006 census, the county's population was 62,259 in 13,629 households. The following census in 2011 counted 71,235 people in 17,854 households. The 2016 census measured the population of the county as 75,169 in 20,592 households.
Javanrud County's population history and administrative structure over three consecutive censuses are shown in the following table.
The county is bounded in the north and west by Paveh County and Kurdistan province, in the southeast by Ravansar County, and in the southwest by Sarpol-e Zahab County.