比尤特-银弓市和县（英语：City and County of Butte-Silver Bow, Montana），是美国蒙大拿州西部的一个市县合一的行政单位。面积1,862平方公里。根据美国2000年人口普查，共有人口34,606人。治所比尤特（Butte）。

银弓县成立于1881年。1977年市县合一。

Silver Bow County is a county located in the State of Montana. As of the 2010 census, the population was 34,200. Its county seat is Butte. In 1977, the city and county governments consolidated to form the single entity of Butte-Silver Bow. Additionally, the town of Walkerville is a separate municipality from Butte and is located within the county.