Borgund is a former municipality in Sogn og Fjordane county, Norway. It is located in the southeastern part of the traditional district of Sogn. The municipality existed from 1864 until its dissolution in 1964. It encompassed an area in the eastern part of the present-day Lærdal Municipality. The administrative center of Borgund was the village of Steinklepp, just northeast of the village of Borgund. Steinklepp was the site of a store, a bank, and a school. The historical Filefjell Kongevegen road passes through the Borgund area.