Bodelwyddan Castle, close to the village of Bodelwyddan, near Rhyl, Denbighshire in Wales, was built around 1460 by the Humphreys family of Anglesey as a manor house. It was associated with the Williams-Wynn family for around 200 years from 1690. It has been a Grade II* listed building since 1962 as a "Gothick castellated style in the early C19". Having been opened to the public as a historic house museum, as of mid 2019, it was up for sale and the historic building was closed to the public.

Bodelwyddan is a village, electoral ward and community in Denbighshire, Wales, approximately 5 miles (8 km) South of Rhyl. The Parish includes several smaller hamlets such as Marli and Pengwern.