Sandwich Islands was the name given to the Hawaiian Islands

Hawaiian Islands

The Hawaiian Islands are an archipelago of eight major islands, several atolls, numerous smaller islets, and undersea seamounts in the North Pacific Ocean, extending some 1,500 miles from the island of Hawaii in the south to northernmost Kure Atoll...

 by James Cook

James Cook

Captain James Cook, FRS, RN was a British explorer, navigator and cartographer who ultimately rose to the rank of captain in the Royal Navy...

 on one of his voyages in the 1770s. James Cook named the islands after John Montagu, 4th Earl of Sandwich

John Montagu, 4th Earl of Sandwich

John Montagu, 4th Earl of Sandwich, PC, FRS was a British statesman who succeeded his grandfather, Edward Montagu, 3rd Earl of Sandwich, as the Earl of Sandwich in 1729, at the age of ten...

, a supporter of Cook's voyages. The Sandwich Islands continued as the normal English name for the island until the mid-1890s.

The Sandwich Island Sleeper or Eleotris sandwicensis, is a species of fish endemic to the Hawaiian Islands.

The South Sandwich Islands are an archipelago in the far south Atlantic Ocean, part of the British overseas territory of South Georgia and the South Sandwich Islands

South Georgia and the South Sandwich Islands

South Georgia and the South Sandwich Islands is a British overseas territory and overseas territory of the European Union in the southern Atlantic Ocean. It is a remote and inhospitable collection of islands, consisting of South Georgia and a chain of smaller islands, known as the South Sandwich...

Sandwich Island may refer to:

• Manuae (Cook Islands), uninhabited atoll in the southern group, named "Sandwich Island", then "Hervey Island" by James Cook
• Efate Island in The Republic of Vanuatu (Shefa Province), also previously named by James Cook