Arthaud is a surname. Notable people with the surname include:
Florence Arthaud (1957–2015), French sailor Joseph Arthaud (1813–1883), French physician Nathalie Arthaud (born 1970), French politician René Arthaud (1915–2007), French politician
See also Artaldus, also known as Arthaud, was a 13th-century Carthusian Bishop of Belley Artaud