Donella may refer to:
*
''Donella'' (brachiopod), a fossil genus of brachiopods in the family
Pugnacidae
*
''Donella'' (plant), a genus of plants in the family Sapotaceae
* Donella is a forname
**
Donella Meadows, American environmental scientist
* Donella is a surname
**
Chad Donella, Canadian actor
{{Disambiguation, genus, surname