U.S. Route 40 (US-40) is a part of the U.S. Highway System that runs from Interstate 80 (I-80) and US-189 in Silver Summit, Utah east to US-322 and Ocean Drive in Atlantic City, New Jersey. In the U.S. state of Kansas, US-40 is a main east–west highway that runs from the Colorado border east to the Missouri border. The highway is concurrent with Interstate 70 (I-70) from Oakley to Topeka, and again through Kansas City.

Sharon Springs is a city in and the county seat of Wallace County, Kansas, United States. As of the 2020 census, the population of the city was 751.