Piggy Wood is a local nature reserve in Priestwood, Berkshire, England. The nature reserve is owned and managed by Bracknell Forest Borough Council.
The reserve is 2.29 hectares (5.7 acres) in size. This site is ancient woodland, with a stream that feeds The Cut.
The name of the site is thought to come from the time of the Reformation, where the term 'pig' was a derogatory term for a priest. To escape from persecution, priests from Hurley Church were said to have hidden in the wood.
The site was adopted by the Bracknell Forest council in 1998. In 2002 the site was declared as a local nature reserve by Bracknell Forest Borough Council.
The site has the following flora:
Coordinates: 51°25′40″N 0°44′55″W / 51.4279°N 0.7486°W