Jacquier is a French surname. Notable people with the surname include: Élodie Jacquier-Laforge (born 1978), French politician François Jacquier (1711–1788), French mathematician Gilles Jacquier (1968–2012), French journalist Nicholas Jacquier (died 1472), French Dominican, Inquisitor and demonologist Paul Jacquier (1879–1961), French politician French-language surnames Surnames of French origin