Saint Vincent and the Grenadines (in Kalinago: Hairoun), sometimes referred to by the acronym SVG, is a country in the Lesser Antilles, located in the Caribbean Sea between Saint Lucia and Grenada and west of Barbados. It has been a member of the Organization of Eastern Caribbean States (OECS) since 1981.

The country consists of a main island, Saint Vincent, and a string of smaller islands that make up a large part of the Grenadines archipelago, located to the south. These include (from north to south): Bequia, Baliceaux, Moustique, Canouan, Mayreau, Tobago Cays, Union, Morpion Island, and Petit-Saint-Vincent, which marks the border with Grenada.

The inhabitants of Saint Vincent and the Grenadines are known as Vincentians, Saint Vincentians, or Saint Vincentians and Grenadines.

Since 2009, Saint Vincent and the Grenadines has been a member of the Bolivarian Alliance for the Americas (ALBA).

In 2021, Saint Vincent and the Grenadines is a non-permanent member of the United Nations Security Council.