Pop-Tarts is a brand of toaster pastries produced and distributed by Kellanova since 1964, consisting of a sweet filling sealed inside two layers of thin, rectangular pastry crust. Most varieties are also frosted. Although sold precooked, they are designed to be warmed inside a toaster or microwave oven. They are usually sold in pairs inside Mylar packages and do not require refrigeration.

Kellanova is an American multinational food manufacturing company headquartered in Chicago, Illinois, US. Kellogg's produces and markets convenience foods and snack foods, including crackers and toaster pastries, cereal, and markets their products by several well-known brands including the Kellogg's brand itself, Rice Krispies Treats, Pringles, Eggo, and Cheez-It, along with cereal internationally such as Corn Flakes, Rice Krispies, Frosties and Coco Pops.