Cume Mescidi, Mashtaga, Islamic mosque in Mashtaga, Azerbaijan

Cume Mescidi is a mosque in the centre of Mashtaga, Baku, with a total area of 420 m². It has separate men's and women's sections; the women's part is two-storeyed, each floor measuring 16 by 8 metres, with a ceiling supported by 20 stone columns linked by arches. The main prayer hall measures 20 by 17 metres, and the dome, 3.5 metres in diameter, has eight windows.

The mosque was built in 1129 AH (1891 CE) in the centre of Mashtaga. Ayatollah Hajji Mir Abdulghani Badkubeyi, a scholar born in the village, died in 1912 and was buried by the old minaret. After Soviet authorities demolished that minaret in 1936–1937, villagers reburied his remains at the Seyidlar cemetery near the Agil Baba tomb. The mosque was closed during the Soviet period and later reopened.

The mosque bears the name Juma, meaning Friday, the day of the week when the congregational prayer is held. Its courtyard once held the grave of Ayatollah Hajji Mir Abdulghani Badkubeyi, who died in 1912 and was buried beside the old minaret; after the minaret's demolition the villagers moved his remains to the Seyidlar cemetery near the Agil Baba tomb. During the 2012 Gurban holiday, 400 worshippers attended the festive prayer here.

The mosque stands in the centre of Mashtaga, in Baku's Sabunchi district. It has two entrance doors, and the prayer hall holds 460 people at once. The women's section is on two floors, each 16 by 8 metres, with its ceiling carried on 20 stone columns linked by arches.

Mashtaga was once a densely packed neighborhood with five mosques, seven baths, and five water wells clustered in a small area. This concentration of religious and public buildings reveals how central the settlement was to community life.