Clinton (also known as Port Clinton) is a locality in the Australian state of South Australia located on the east coast of Yorke Peninsula overlooking the north west head of Gulf St Vincent about 101 kilometres (63 mi) west of the state capital of Adelaide and about 36 kilometres (22 mi) north-east of the municipal seat of Maitland.

[4][1] The Hundred of Clinton was proclaimed on 12 June 1862 over land with an area of 350 square kilometres (137 sq mi).

Clinton, the Duke of Newcastle who served as "the Secretary of State for the Colonies from 1859 until his death in October 1864.

"[1] Clinton, "the Gateway to the Eastern Yorke Peninsula", is a 1.5 hour drive from the capital of South Australia, Adelaide.

The rural land surrounding Clinton is primarily used for dry grain farming of wheat and barley, with some sheep grazing.