Egmond Castle, also called the Ruins of Egmond, is a ruined medieval castle in the Dutch province of North Holland. It is located in Egmond aan den Hoef in the municipality of Bergen and lies about 7 kilometres (4.3 mi) west of Alkmaar. The castle dates from the 11th century and is the ancestral seat of the Egmond family, whose members became sovereign Dukes of Guelders, Counts of Egmond and Princes of Gavere, Counts of Buren and Leerdam. It is a national monument of the Netherlands.

Egmond aan den Hoef is a village in the Dutch province of North Holland. It is a part of the municipality of Bergen, and lies about 7 kilometres (4.3 mi) west of Alkmaar. Until 2001, Egmond aan den Hoef was part of the municipality of Egmond.