Dianella may refer to:
*
''Dianella'' (beetle), a species and genus of beetle in the family Carabidae now known as ''Diamella''
*
''Dianella'' (gastropod), a genus of freshwater snails in the family Hydrobiidae
*
''Dianella'' (plant), a genus of flowering plants
*
Dianella, Western Australia, a suburb of Perth, Australia
**
Dianella White Eagles, a football club from the suburb
{{disambiguation, genus