Regulation football is a term used to describe the standard size and weight for a ball used in professional and organized American football games. However, there are numerous synonyms for this term, such as NFL ball, college ball, pigskin, American football, pro ball, and official ball. These terms describe the same ball that meets the specifications set by the National Collegiate Athletic Association (NCAA) and National Football League (NFL). Whether you call it a regulation football, pigskin, or official ball, it is the same iconic object that has become a symbol of American sports culture.