Hash House

Hash House may refer to:
 * Hash House a go go, a restaurant chain
 * Hash House Bikers, an international group of non-competitive bicycling, social clubs
 * Hash House Harriers, an international group of non-competitive running, social clubs
 * John T. Hash House, a historic home in Dayton, Oregon
 * Hash House Hemp Products, a hemp retailer located in Lake Havasu City, Arizona