Mojstrana (pronounced [ˈmoːi̯stɾana]; German: Meistern) is a village in the Municipality of Kranjska Gora in the Upper Carniola region of Slovenia.

Mojstrana is located in the Upper Sava Valley at the point where Bistrica Creek joins the Sava River below the main road from Jesenice to Kranjska Gora at an elevation of 641 m. The glacial Vrata Valley leads from Mojstrana towards the southwest past Peričnik Falls to the north face of Mount Triglav.

[2] The development of the settlement is connected to ironworks and iron ore in the area as well as a cement works that ceased to operate after the First World War.

The Mlačca Mass Grave (Slovene: Grobišče Mlačca), also known as the Tnal Mass Grave (Grobišče pod Tnalom), is located in the woods south of the settlement, at a leveled area in a ravine about 50 meters (160 ft) west of the road to the Radovna Valley.

Local attractions include the 17th-century church of St. Clement, the small Triglav museum, a giant walnut tree with a 470 cm circumference in the middle of the village, the Šmerc and Ambrož houses, the Vrata Valley with the remnants of an aqueduct for the cement works, Peričnik Falls, and the north face of Triglav.