Arthur Frederick "Peggy" Bettinson (10 March 1862 – 4 December 1926) was a skilled pugilist, becoming English Amateur Boxing Association Lightweight Champion in 1882. In 1891 Bettinson co-founded the National Sporting Club (NSC). As its manager, he implemented a strict code of conduct, rules and etiquette that was adhered to by both boxers and spectators, ushering in a culture change that brought respect and legitimacy to what had been a barely regulated, lawless and chaotic sport. He was one of boxing's most prominent and powerful advocates in England's courtrooms in an era when boxing's legal status was uncertain.