Ludovicus Maria Matheus Van Iersel (19 October 1893 – 9 June 1987) was a Sergeant in United States Army, Company M, 9th Infantry, 2d Division during World War I. He earned the highest military decoration for valor in combat—the Medal of Honor—for having distinguished himself at Mouzon, France. Born in Dussen the Netherlands, Van Iersel served on several merchant ships following the outbreak of the war. Van Iersel arrived in New Jersey in early 1917, enlisting in the army shortly afterwards. He learned English in his first few months of military service.