Hérouard or Herouard is a surname. Notable people with the surname include:

(born 1956), French bishop (1833–1888), French politician Chéri Hérouard (1881–1961), French illustrator (1851–1927), French politician Edgard Hérouard (1858–1932), French marine biologist (1921–2004), French association football player

See also Thibouville-Herouard, former brand name of Cabart musical instruments