Henri Louis Hérouin, Sr. (born 19 February 1876, date of death unknown) was a French competitor in the sport of archery. Hérouin won the first prize, and is now considered by the International Olympic Committee to have won the gold medal, in the 50 metre Au Cordon Doré event at the first Olympic appearance of archery, in the 1900 Summer Olympics in Paris. His score of 31 put him 2 points above his closest competitor Hubert Van Innis.
Hérouin also beat van Innis in the Championnat du Monde event, 22-16. This event is not considered Olympic by the IOC.