The Hundred of Dalkey is a cadastral unit of hundred located on the northern Adelaide Plains in South Australia, immediately south of the Wakefield River.

[2] It was named in 1856 by Governor Richard Graves MacDonnell for his hometown Dalkey, a seaside resort in Ireland.

Apart from the towns of Dalkey and east Balaklava, other localities within the hundred include: Owen, Stockyard Creek, Pinery and Hoskin Corner.

Following the 1997 merger of Wakefield Plains council with Blyth Snowtown, the hundred of Dalkey was split between the Central and South wards of the new Wakefield Regional Council.

Owen and Pinery became part of the South ward, and Dalkey, Erith and Hoskin Corner became part of the Central ward along with Balaklava.