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