詹姆斯·约翰·科比特（James John Corbett，1866年9月1日－1933年2月18日），生于三藩市，逝世于纽约，美国重量级拳击运动员，曾获得世界重量级拳击赛冠军（1892年-1897年）。

科比特因其训练方法科学和技术创新而被称为“现代拳击之父”。

James John "Gentleman Jim" Corbett (September 1, 1866 – February 18, 1933) was an American professional boxer and a former World Heavyweight Champion, best known as the man who defeated the great John L. Sullivan. Despite a career spanning only 24 bouts, Corbett faced the best competition his era had to offer; squaring off with a total of nine fighters who would later be enshrined alongside him in the International Boxing Hall of Fame.