Jamuna may refer to:
- Jamuna (actress), Telugu film actress
- Jamuna Baruah, Assamese actress
- Jamuna River (Bangladesh) in Bangladesh (not a tributary of the Ganges, but is in the same region as the Yamuna River)
- Jamuna Bridge in Bangladesh
- Yamuna River, a tributary of the Ganges River, sometimes called Jamuna in literature of northern India
- Jamuna, Nepal