Dirleton Castle is a medieval fortress in the village of Dirleton, East Lothian, Scotland. It lies around 2 miles (3.2 km) west of North Berwick, and around 19 miles (31 km) east of Edinburgh. The oldest parts of the castle date to the 13th century, and it was abandoned by the end of the 17th century.

Dirleton is a village and civil parish in East Lothian, Scotland approximately 20 miles (32 km) east of Edinburgh on the A198. It contains 7,500 acres (30 km2). Dirleton lies between North Berwick (east), Gullane (west), Fenton Barns (south) and the Yellowcraigs nature reserve, Archerfield Estate and the Firth of Forth (north). Gullane parish was joined to Dirleton parish in 1612 by an Act of Parliament because "Golyn is ane decaying toun, and Dirleton is ane thriven place."