The Pettigarths Field Cairns is a Neolithic site in the parish of Nesting, northeastern Whalsay, in the Shetland islands of Scotland. It is located approximately 140 metres (460 ft) to the northwest of Benie Hoose. The site contains upright stones as well as masonry. The south cairn is roughly 6 metres (20 ft) square, with an eastern entrance passage and circular chamber about 2 metres (6 ft 7 in) across. 4 metres (13 ft) to the north is a round cairn, 4.5 metres (15 ft) in diameter, with a rectangular cist. The two cairns are located on a rise, about 140 metres (460 ft) northwest of Benie Hoose.