Circle K Stores, Inc. is an American chain of convenience stores that is headquartered in Tempe, Arizona, and owned by Alimentation Couche-Tard, Inc., based in Laval, Quebec, Canada. Founded in 1951 in El Paso, Texas, the company filed for bankruptcy protection in 1990 and went through several owners, before being acquired by Alimentation Couche-Tard in 2003. As of February 2020, Circle K has 9,799 stores in North America, 2,697 stores in Europe, and an additional 2,380 stores operating under franchise agreements worldwide.

A convenience store, bodega, convenience shop, corner store or corner shop is a small retail store that stocks a range of everyday items such as tea, coffee, groceries, fruits, vegetables, snacks, confectionery, soft drinks, ice creams, tobacco products, lottery tickets, over-the-counter drugs, toiletries, newspapers and magazines.