The Rue de Vaugirard (French pronunciation: [ʁy d(ə) voʒiʁaʁ]; English: Street of Vaugirard) is the longest street inside Paris's former city walls, at 4.3 km (2.7 mi).

The Senate, housed in the Palais du Luxembourg, is at 15 Rue de Vaugirard.

Numbering starts in the Latin Quarter, reaching the 400s by the Porte de Versailles.

The road, which appeared in the 15th century, led from Philip II's city walls towards the village of Vaugirard.

A substantial portion of Line 12 of the Paris Métro follows the Rue de Vaugirard.