Donella

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