Portingbury Hills (grid reference TL5320) or Portingbury Rings is a hill in Hatfield Forest, Little Hallingbury, Hatfield Broad Oak, Essex, suggested to date to the Iron Age or Bronze Age. It consists of a 3 features, a hill and mound connected by a zig-zag causeway formed by 2 almost parallel ditches to another rectangular enclosure measuring 30 by 21 metres (98 ft × 69 ft) surrounded by a large ditch with a suggested bank up to 11 metres (36 feet) wide. It is located in the northwest of Hatfield Forest in Beggarshall coppice. It has been considered to be an ancient defensive enclosure, but is too small to be a hill fort and is not in a defensible position.