Cordier is a surname, and may refer to:
Andrew W. Cordier (1901–1975), American administrator
Balthasar Cordier (1592–1650), Belgian theologian
Baude Cordier (c. 1380–before 1440), French composer
Charles Henri Joseph Cordier (1827–1905), French sculptor
Douglas Cordier (born 1953), American politician
Henri Cordier (1849–1925), French historian, author of comments on Travels of Marco Polo
Henri Cordier (1856-1877), French mountaineer
John Cordier (1942–2002), Belgian businessman
Joseph Cordier (1773–?), Acting Governor General of Pondicherry
Louis Cordier (1777–1861), French geologist and mineralogist
Mathurin Cordier (1480–1564) (pen name Corderius), French pedagogue
Michaël Cordier (born 1984), Belgian footballer
Noëlle Cordier (born 1944), French singer
Patrick Cordier (1946–1996), French mountaineer
