northernmost of the Channel Islands: 3 sq mi (8 sq km); pop. 2,000
- Any of a now extinct breed of small dairy cattle from Alderney Island.
- Any of various breeds of small dairy cattle from the Channel Islands, including, until the late 19th century, breeds later known as Guernsey and Jersey.
A British island in the English Channel. The northernmost of the larger Channel Islands, it is separated from the French coast by a swift channel, the Race of Alderney.
- The third-largest of the Channel Islands.
- A type of milk cow from Alderney.