Măieruş (German: Nußbach) is a commune in Braşov County, Romania, on the left of Olt river. It is located 30 km away from the county capital Braşov. It is composed of two villages, Arini and Măieruş. The settlement is mentioned for the first time in 1377 as "villa nucum".
It is considered to be the most northern commune in historical Burzenland, although Apața is nowadays the northern limit of it.