Jumma may refer to:
 Friday prayer or Jumu'ah, Islamic congregational prayers on Friday at noon (zuhr), performed in a mosque
 Jumu'ah Mubarak, greeting for the day 
 Congregational mosque, mosques designated for Friday prayer congregations
 Jumma people, the tribes of Chittagong Hill Tracts in Bangladesh

Persons named Jumma:
 Jumma Khan Marri, nationalist leader from Baluchistan
 Jumma Jan, name used by United States for a citizen of Tajikistan, held in extrajudicial detention in the United States Guantanamo Bay detainment camps, in Cuba