Gallois is a French surname. Notable people with the surname include:
Évariste Galois (1811–1832), French mathematician Jean Gallois (abbot) (1632–1707), French scholar and abbé Jean Gallois (musicologist), pseudonym of French musicologist Jean Gaillard (1929–2022) Louis Gallois (born 1944), French businessman, former CEO of EADS (now Airbus) Lucien Gallois (1857–1941), French geographer Pascal Gallois (born 1959), French bassoonist, conductor and music teacher, brother of Patrick Gallois Patrick Gallois (born 1956), French flutist and conductor Pierre Marie Gallois (1911–2010), French air force brigadier general
See also Raymond Gallois-Montbrun (1918–1994), French violinist and composer