Janvier (surname)

Janvier is a surname from French. Notable people with this surname include:
 * Ambroise Janvier (1613–1682), French benedictine
 * Antide Janvier (1751–1835), French clockmaker
 * Bernard Janvier (born 1939), French general
 * Caroline Janvier (born 1982), French politician
 * Eric Janvier, French businessman
 * Louis-Joseph Janvier (1855–1911), Haitian journalist, diplomat and novelist
 * Margaret Thomson Janvier (1844–1913), American writer, sister of Thomas
 * Marie-Ève Janvier, French Canadian singer
 * Maxime Janvier, French tennis player
 * Paul Janvier, a pseudonym used by Algis Budrys
 * Philippe Janvier, French paleontologist
 * Philippe Janvier (actor) (born Jacques Philippe Nugeyre, 1903–1967), French actor
 * Thomas Allibone Janvier (1849–1913), American writer and historian, brother of Margaret
 * Ulysse-Janvier Robillard (1826–1900), Quebec merchant and political figure