Gallier

Gallier is a surname that may refer to:


 * Billy Gallier (1932–2011), English association football player
 * Howard Gallier (1872–1955), English association football player
 * James Gallier (1798–1866), architect, born Gallagher in Ireland and changed name to Gallier when moving to New Orleans
 * James Gallier, Jr. (1827–1868), architect, son of James
 * Jean Gallier (b. 1949), French and American logician