Hung Hei-gun or Hong Xiguan (1745—1825) was a Chinese martial artist who lived in the Qing dynasty. He was also an influential figure in the Southern Shaolin school of Chinese martial arts. His name is also alternatively romanised as Hung Hei-koon, Hung Hei-kwun, Hung Hsi-kuan, and similar renditions. He was believed to be the creator and founder of Hung Ga Kuen.