Coordinates: 54°30′36″N 6°00′25″W / 54.510°N 6.007°W Hillhall is a townland and non-nucleated village in County Down, Northern Ireland, near Lisburn. In the 2001 Census it had a population of about one hundred people. It lies in the Lagan Valley Regional Park and the Lisburn City Council area. Hillhall Presbyterian Church is a listed building.
The ancestors of writer Iris Murdoch farmed at Hillhall for seven generations, they had about 50 acres (200,000 m2) leased from the Marquis of Downshire and a further 10 acres (40,000 m2) from the Hertford estate. Today the family burial plot can still be found in Derriaghy Parish Churchyard.