Kash, Kaš or KASH may refer to:
- the Egyptian name of Lower Nubia
- the Nubian kingdom of Kush
- Kash, Iran, a village in Alborz Province, Iran
- Kash, Hormozgan, a village in Hormozgan Province, Iran
- KASH, the command line interface of the KANT computer algebra system
- Slang term among cannabis users for hashish covered with kief
- KASH-FM, a radio station (107.5 FM) licensed to Anchorage, Alaska, United States
- KOPB (AM), a radio station (1600 AM) licensed to Eugene, Oregon, United States, which held the call sign KASH until April 1985
- Nashua Municipal Airport in Nashua, New Hampshire, United States
- KASH, also known as Kokomo Area Schools at Home, a homeschool group located in Howard County, Indiana, and surrounding counties