Exeter is a suburb of Adelaide, Australia. It is 14 km north-west of the central business district, on the Lefevre Peninsula, and falls under the City of Port Adelaide Enfield. It is adjacent to the suburbs Semaphore, Birkenhead, Largs Bay and Glanville. It is bounded to the south by Exmouth Road, to the north by Hargrave Street and in the east and west by the Outer Harbor railway line and Woolnough Road respectively.

The 352 & 353 serves Woolnough Road and Hargrave Street, while the 156 & 333 serve Causeway Road. The suburb is also served by two train stations on the Outer Harbor railway line, the Glanville railway station, just beyond its eastern border, and the Peterhead railway station on its eastern border.