Casella may refer to:
- Casella (Divine Comedy) (died 1299), an Italian composer and singer, none of whose works have survived
- Alfredo Casella (1883–1947), an Italian composer, pianist and conductor
- Casella, Liguria, a municipality in the Province of Genoa, Italy
- Casella (Asolo), a hamlet in the municipality of Asolo, Italy
- Casella Family Brands, the Australian maker of [yellow tail] wine
- Casella Waste Systems, an American waste management company
- Casella (genus), a synonym of Glossodoris, a genus of sea slugs
- Casella obsoleta, now known as Goniobranchus obsoletus, a species of colourful sea slug
- Cassella (disambiguation), similar spelling
|This disambiguation page lists articles associated with the title Casella.
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