Peterhead is a north-western suburb of Adelaide 15 km from the CBD, on the Lefevre Peninsula, in the state of South Australia, Australia and falls under the City of Port Adelaide Enfield.

There is a small museum on Fletcher Road, and a scout hall on Wills Street.

An On The Run service station and convenience store serves the suburb on Victoria Road, opposite Adelaide Brighton Cement.

The Austbuilt Maritime Museum is located on Fletcher Road, Peterhead.

[6] Peterhead is located in the federal division of Hindmarsh, the state electoral district of Port Adelaide and the local government area of the City of Port Adelaide Enfield.