Morren is a surname. Notable people with the name include:

Charles François Antoine Morren (1807–1858), Belgian botanist and horticulturist Charles Jacques Édouard Morren (1833–1886), Belgian botanist, professor of botany François Morren (1899–1985), Belgian sprinter George Morren (1868–1941), Belgian painter, sculptor, Impressionist and engraver Nathaniel Morren (1798–1847), Scottish minister, author and historian Theophil Morren (1874–1929), pen name of Hugo von Hofmannsthal, Austrian novelist, librettist & poet Tommy Morren (1871–1929), English international footballer