Whetstone may refer to:
Tools and technology Whetstone, a sharpening stone used for knives and other cutting tools Hornfels, a type of stone sometimes called whetstone Whetstone (benchmark), a benchmark for measuring computing power Operation Whetstone, a nuclear test program in the 1960s
Places United Kingdom Whetstone, Leicestershire, a village and civil parish Whetstone, London, a suburb in Barnet Whetstones (stone circle), an ancient pagan monument in Powys, Wales
United States Whetstone, Arizona, a census-designated place Whetstone, West Virginia, an unincorporated community The Whetstone River in South Dakota and Minnesota Whetstone Gulf State Park in New York Whetstone High School (Columbus, Ohio), a high school located in the Clintonville neighborhood of Columbus, Ohio Whetstone Mountain in Colorado Whetstone Mountains in Arizona
Other uses Whetstone (surname)
See also Wheatstone (disambiguation)