In der Maur is a Swiss family. Throughout the Middle Ages and Renaissance, members of the family held political offices in Berneck, St. Gallen. The In der Maur von Berneck family were first granted a coat of arms in 1478, when Hermann In der Maur was appointed as the Ammann of Berneck of the Abbot of St. Gallen. Members of the family also served as Imperial tax collectors and as clerks of the Court of Berneck. The first member of the family to hold the position of Ammann in Berneck was Ulrich In der Maur in 1435.

Berneck is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.