Lulworth Castle, in East Lulworth, Dorset, England, situated south of the village of Wool, is an early 17th-century hunting lodge erected in the style of a revival fortified castle, one of only five extant Elizabethan or Jacobean buildings of this type. It is listed with Historic England as a scheduled monument. It is also Grade I listed. The 18th-century Adam style interior of the stone building was devastated by fire in 1929, but has now been restored and serves as a museum. The castle stands in Lulworth Park on the Lulworth Estate. The park and gardens surrounding the castle are Grade II listed with Historic England.

There are over 9,000 Grade I listed buildings in England. This is a list of these buildings and structures in the county of Dorset, grouped first by the two unitary authority areas: first Bournemouth, Christchurch and Poole, then Dorset.