Karma is a town and a rural commune in southwestern Niger, near the city of Niamey. The town had a population of 8,505 at the 2012 census, while the commune had a population of 88,244.

Apart from Karma itself, the commune counts various other villages and hamlets, such as Boubon, a village known for its lively weekly market on Wednesdays and the colorful pottery produced there.

Karma lies on a plateau with wide valleys on the Niger River. The commune borders the municipalities of Kourteye in the northwest, Simiri in the north, Hamdallaye in the east, Bitinkodji in the south, and Namaro in the southwest.

The commune includes 70 villages, 56 hamlets, and 10 camps. The table below ranks the villages in the commune by population:

The village of Boubon in the commune was founded in around 1340, by a Songhai group. After the fall of the Songhai Empire in 1591, Songhai refugees settled in Karma, under a descendant of the former ruling Askiya dynasty. In the 17th century, Zarma settled around the town and in the 19th century, the town was raided by enemy Zarma from N'Dounga.

In 1906, the French colonial administration established a canton in Karma. The rural commune was formed in 2002, during a nationwide administrative reform.

The commune of Karma was seriously affected by the 2010 West African floods, with over 15,000 residents of the commune classified as disaster victims. Karma was the second hardest hit commune in Niger after Namaro in the southwest.

The municipal council (conseil municipal) has 22 elected members. A traditional chief heads 65 villages in the commune, including the main town.