Jullien is a French surname. Notable people with the surname include:
André Jullien, (1766–1832), French vintner
André-Damien-Ferdinand Jullien, (1882–1964), French cardinal
Bernard Jullien (1798-1881), French linguist and academic
François Jullien, (born 1951), French Sinologist
Frédéric Benoît Victoire Jullien, (1785–1825), French cavalry officer
Gilles Jullien,(c.1651/53–1703), French Baroque composer and organist
Jacques Jullien (1929–2012), French Roman Catholic archbishop
Jos Jullien (1877-1956), French painter.
Louis Antoine Jullien, (1812–1860), French conductor and composer of light music
Marc-Antoine Jullien de Paris, (called Jullien fils), French revolutionary
Thomas Prosper Jullien, (1773–1798), French army officer