Henrion is a surname. Notable people with the surname include:
Daphne Hardy Henrion (1917–2003), British sculptor Denis Henrion, French mathematician born at the end of the 16th century Henri Kay Henrion (1914–1990), German graphic designer Jean Henrion, former French figure skater John Henrion (born 1991), American professional ice hockey center Ludivine Henrion (born 1984), Belgian road bicycle racer Mathieu-Richard-Auguste Henrion (1805–1862), Baron, French magistrate, historian, and journalist Paul Henrion, (1819–1901), French composer Robert Henrion (1915–1997), Belgian fencer Pierre Paul Nicolas Henrion de Pansey (1742–1829), French jurist and politician Michael Robert Henrion Posner (born 1988), American singer-songwriter, poet, and record producer
See also Henrion, Dassy & Heuschen double-barrel revolvers, type of revolver with two stacked barrels and two concentric sets of chambers, each serving its own barrel Henri