Khanashin, or Khan Neshin, is a village located in the Reg District of Helmand Province, Afghanistan at 30.5494°N 63.7897°E at 642 altitude. It is close to the Helmand River and 168 km southwest of Lashkargah. It has been identified by the USGS as the site of a deposit, called the Khanneshin carbonatite, of at least 1 million tons of rare earth element ore.