J’ouvert (French pronunciation: ​[ʒuvɛʁ]) is a large street party during Carnival in the eastern Caribbean region. J’ouvert is a contraction of the French jour ouvert, or dawn/day break.

J’ouvert is celebrated on many islands, including Trinidad and TobagoDominicaSaint LuciaAnguillaAntigua & BarbudaArubaBarbadosGrenadaHaitiJamaicaSt. Vincent and the GrenadinesSt. Kitts and NevisSint Maarten, the U.S. Virgin Islands and the British Virgin Islands. It is also a feature of New York City‘s West Indian Day Parade held on Labor Day, in theCrown Heights neighborhood of Brooklyn and Notting Hill Carnival in London, both areas that have a large Caribbean ex-pat communities.