Montrouge (French pronunciation: [mɔ̃ʁuʒ] ⓘ) is a commune in the southern Parisian suburbs, located 4.4 km (2.7 mi) from the centre of Paris.

Throughout the Middle Ages, the hamlet was home to monasteries and a number of religious orders, while in the 15th century it became the site of quarries used for the reconstruction of Paris.

In 1875, the town gained a few thousand square metres from the neighbouring communes of Châtillon and Bagneux (principally in the neighbourhood (le quartier) called Haut Mesnil).

On 8 January 2015, Municipal Police officer Clarissa Jean-Philippe was shot and killed in the commune, purportedly by Amedy Coulibaly.

[6] Bus line 68 runs from Metro Châtillon Montrouge all the way up through Montparnasse, the Louvre, the Paris Opera and ends at the Place de Clichy, the site of the Moulin Rouge.

Several lines (187, 188, 197, 297) use the Route nationale 20 that crosses eastern Montrouge to reach southern parts of the Parisian agglomeration.