Janvier is French for the month of January.
Janvier may also refer to:
Persons Janvier (given name) Janvier (surname) Joseph Janvier Woodward (1833–1884), commonly known as J. J. Woodward, American surgeon
Places Janvier 194, Indian reserve, Alberta Janvier South, Alberta, Canada Janvier Airport, airport in Janvier South Saint-Janvier-de-Joly, Quebec
Others Janvier v. Sweeney, a 1919 decision by the English Court of Appeal dealing with liability for nervous shock caused by an intentional act