Penfield is a northern suburb of Adelaide, South Australia in the City of Playford. The western part is mostly an industrial area wrapped around the northern sides of RAAF Base Edinburgh and south of the Max Fatchen Expressway. It includes an intermodal freight terminal on the Adelaide-Port Augusta railway line operated by SCT Logistics with a large warehouse and distribution centre operated for Treasury Wine Estates. The eastern part of Penfield is being developed for residential housing.