Jamuna or Jumna may refer to:

• Jamuna River (Bangladesh), one of three primary rivers in Bangladesh, a distributary of the Brahmaputra
• Small Jamuna River, Bangladesh
• Jamuna River (West Bengal), a river of India, tributary of the Ichimati in West Bengal
• Yamuna River, or Jamuna, a major river of India, tributary of the Ganges
• Jamuna, Nepal, a town in Nepal

• Jamuna (actress) (1938–2023), Indian film actress, director, and politician
• Jamuna Barua (1919–2005), Assamese actress
• Jamuna Boro (born 1997), Indian boxer
• Jamuna Devi (1929–2010), Indian politician
• Jamuna Gurung (disambiguation), multiple people
• Jamuna Nishad (1953–2010), Indian politician
• K. Jamuna Rani (born 1938), Indian playback singer

• Jamuna Bank, a commercial bank in Bangladesh
• Jamuna Group, a Bangladeshi industrial conglomerate
  • Jamuna TV, a Bengali language television channel
• Jamuna Oil Company, a subsidiary of the Bangladesh Petroleum Corporation

• Jamuna State Guest House, official guest house of the Government of Bangladesh
• Jamuna Cantonment, a cantonment of the Bangladesh Army
• Jumna (ship), iron-hulled full-rigged ship
• Abrota jumna, species of butterfly
• BNS Jamuna, a Large Patrol Craft of the Bangladeshi Navy, in service since 1985
• HMS Jumna, ship of the Royal Indian Navy
• HMS Jumna (1848), Helena-class brig of the Royal Navy built at the Bombay Dockyard
• HMS Jumna (1866), Euphrates-class troopship
• INS Jamuna (U21), Black Swan-class sloop in the Indian Navy
• SS Jumna, steam passenger liner

• Yamuna (disambiguation)
• Jumana (disambiguation)
• Gunga Jumna, 1961 Indian film starring Dilip Kumar
• Yamuna in Hinduism