Clos de Tart is an Appellation d'origine contrôlée and Grand Cru vineyard for red wine in the Côte de Nuits subregion of Burgundy, with Pinot noir as the main grape variety. It is situated in the commune of Morey-Saint-Denis in the Côte-d'Or département. Clos de Tart is located in the southern part of the commune, starts immediately west of the village itself, and borders to the Grand Cru vineyard Bonnes Mares in the south and Clos des Lambrays in the north. The AOC was created in 1939, and the Clos part of its name refers to a wall-enclosed vineyard.
Clos de Tart is a monopole, owned by Mommessin. In 2017, the French holding company Groupe Artemis announced that it acquired Clos de Tart. The price was not officially confirmed, but rumours estimate the transaction to €200 million.